Ariston Thermo MBA 3831 V - Refrigerator

MBA 3831 V - Refrigerator Ariston Thermo - Free user manual and instructions

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Product Type Refrigerator with freezer compartment
Brand Ariston Thermo
Model MBA 3831 V
Overall Dimensions (H x W x D) 1800 x 600 x 650 mm
Net Refrigerator Capacity 210 L
Net Freezer Capacity 45 L
Total Net Capacity 255 L
Energy Efficiency Class A+
Climate Class N-ST
Noise Level 39 dB(A)
Refrigerator Defrosting Automatic (frost-free)
Freezer Star Rating 4 stars
Freezing Capacity 3.5 kg/24h
Door Hinge Right side, reversible
Adjustable Shelves Yes, 3 glass shelves
Vegetable Drawer Yes, with humidity control
Bottle Rack Yes, on door
Interior Light LED
Refrigerant R600a (isobutane)
Voltage / Frequency 220-240 V / 50 Hz
Net Weight 62 kg
Maintenance Clean interior with mild detergent; defrost freezer when ice layer >5 mm; replace LED light by service only
Safety Ensure proper ventilation; level appliance; transport upright

Frequently Asked Questions - MBA 3831 V Ariston Thermo

How do I adjust the temperature in my Ariston Thermo MBA 3831 V fridge?
Use the thermostat dial inside the refrigerator compartment. Turn it to a higher number for colder temperature (e.g., 4-5 for normal operation, 6-7 for fast cooling). Avoid setting too high as it may cause freezing in the fridge.
Why is my fridge not cooling properly?
Check if the door is closing properly and the gasket is clean. Ensure enough ventilation around the appliance (at least 10 cm rear clearance). Also verify that the thermostat is set correctly and the condenser coil (back or bottom) is not dusty.
How do I defrost the freezer?
The freezer compartment may require manual defrosting. Remove all food, unplug the appliance, and leave the door open. Place towels to absorb melting water. Do not use sharp objects to scrape ice. Once defrosted, dry and plug back in.
Can I reverse the door opening direction?
Yes, the door is reversible. Refer to the user manual for step-by-step instructions. Typically, you need to remove the door, unscrew hinges, and reposition them on the opposite side. Make sure to have a second person for support.
What does the 'Power Cool' function do?
If your model has a Power Cool button, it activates fast cooling to quickly lower the temperature, useful after adding large amounts of fresh food. It usually runs for a few hours then returns to normal mode.
Why is there water at the bottom of the fridge?
This is usually due to a blocked defrost drain. Clean the drain hole (often located at the back of the fridge interior) with a pipe cleaner or diluted vinegar. Also check that the drain tray is properly positioned.
How often should I clean the condenser coils?
Clean the condenser coils (located at the back or under the fridge) at least once a year with a vacuum cleaner or soft brush to ensure efficient cooling and longer lifespan.
What should I do if the interior light is not working?
The MBA 3831 V uses an LED light which should be replaced by a qualified service technician. Do not attempt to replace it yourself. Contact Ariston Thermo customer support.
How can I save energy with my fridge?
Keep the fridge away from heat sources (oven, direct sunlight). Let hot food cool before placing inside. Open the door as briefly as possible. Set the thermostat to recommended temperature (4-5°C for fridge, -18°C for freezer). Defrost regularly.
Is the fridge suitable for garage installation?
Check the climate class: N-ST is for ambient temperatures from 16°C to 38°C. If your garage gets colder than 16°C or hotter than 38°C, performance may be affected. For garages, a climate class SN-T is preferable.

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USER MANUAL MBA 3831 V Ariston Thermo

Fridge/freezer combined

Installation and use

Safety - a good habit to get into.

ATTENTION

Read your manual carefully since it contains instructions which will ensure safe installation, use and maintenance of your appliance.

Your Refrigerator is built to International safety standards (EN60) ans has been awarded the European approval mark (IMQ) for compliance with UK electrical safety requirements. It also meets the EC standards on the prevention and elimination of radio interference (EC directive 87/308 - 02.06.89).

  1. This appliance must not be installed outdoors - not even in an area protected by a roof. It is extremely dangerous to leave it exposed to rain or storms.
  2. It must only be used by adults and exclusively to refrigerate and freeze foodstuffs, following the instructions for use contained in this manual.
  3. Do not ever touch or handle the appliance with bare feet or with wet hands or feet.
  4. It is highly recommended that you do not use extension cords or multiple socket adapters. If the refrigerator is installed between cabinets, make sure that the cord is not bent or dangerously pinched or compressed.
  5. Never pull on the cord or the refrigerator to remove the plug from the wall socket - this is very dangerous.
  6. Never touch the cooling components within the appliance, especially with wet hands because this could result in injury. Never put ice cubes just removed from the freezer into your

mouth because they could stick to your mouth and cause burns.

  1. Do not carry out any cleaning or maintenance operations without first having disconnected your appliance from the mains power supply (by unplugging it or turning off the cut-out switch in your home); turning the thermostat knob to "●" is not enough to eliminate all electric contacts.
  2. Before having your old refrigerator picked up for disposal, remove or make inoperable any locking devices to prevent children who might play in or around the appliance from being locked inside.
  3. Before calling for service/assistance in the case of malfunction, consult the chapter entitled "Is There a Problem? to determine whether it is possible to eliminate the problem. do not try to repair the problem by trying to access the internal components of the appliance.
  4. If damaged, the power supply cord on this appliance must necessarily be replaced by our service centre because special tools are required for replacement.
  5. Do not use electric appliances inside the compartment for food storage, if these are not those recommended by the manufacturer.
  6. At the end of the functional life of your appliance – containing cyclopentane gas in the insulation foam and perhaps gas R600a (isobutane) in the refrigeration circuit – the latter should made safe before being sent to the dump.
    For this operation, please contact your dealer or the Local Organisation in charge of waste disposal.

Installation

Proper installation of the appliance is essential to ensure the best and most efficient performance of your appliance.

Ventilation

The compressor and condenser generate heat and, therefore, need to be ventilated properly. Rooms with less than perfect ventilation are not very suited for installation of the appliance. Therefore, it should be installed in a room with an opening (window or French window) that provide the appropriate amount of air re-circulation. It is also important that the room not be too humid.

During installation, make sure not to cover or obstruct the grates that allow for proper ventilation of the appliance.

For proper ventilation of the appliance, you must leave:

- a space of at least 10 cm between the top part and any cabinets above it;

- a space of at least 5 cm between the sides of the appliance and any adjacent cabinets/walls.

Away from Heat

Avoid positioning the appliance in a place where it is directly exposed to sunlight or near an oven, cook top or the like.

Levelling

The floor should be perfectly level; if not, you can adjust the feet at the front of the appliance.

Earthing

Before making the electrical connection, check that the voltage shown on the data plate, that you will find on the bottom left hand side of the appliance next to the crisper, corresponds to that of your home and that the socket is earthed in compliance with all current electrical regulations. If the system is not earthed, the manufacturer declines all liability for consequent damages or losses. Do not use adapters or multiple sockets.

Position the appliance in such a way that you can access the socket where it is plugged in.

Check the power load

The electrical socket must support the maximum power load of the appliance shown on the data plate (on the bottom left hand side of the appliance next to the crisper).

Before plugging the appliance to the mains

Stand the appliance upright and wait at least 3 hours before plugging the appliance into the mains to ensure proper performance.

Electrical connection

Your appliance is now supplied with a 13 amp fused plug that can be plugged into a 13 amp socket for immediate use. Before using the appliance please read the instructions below.

WARNING - THIS APPLIANCE MUST BE EARTHED. THE FOLLOWING OPERATIONS SHOULD BE CARRIED OUT BY A QUALIFIED ELECTRICIAN.

Replacing the fuse:

When replacing a faulty fuse, a 13 amp ASTA approved fuse to BS 1362 should always be used, and the fuse cover refitted. If the fuse cover is lost, the plug must not be used until a replacement is obtained.

Replacement fuse covers:

If a replacement fuse cover is fitted, it must be of the correct colour as indicated by the coloured marking or the colour that is embossed in words on the base of the plug. Replacements can be obtained directly from your nearest Service Depot.

Removing the plug:

If your appliance has a non-rewireable moulded plug and you should wish to remove it to add a cable extension or to re-route the mains cable through partitions, units etc., please ensure that either:

- the plug is replaced by a fused 13 amp re-wireable plug bearing the BSI mark of approval

or:

- the mains cable is wired directly into a 13 amp cable outlet, controlled by a switch, (in compliance with BS 5733) which is accessible without moving the appliance.

Disposing of the plug:

Ensure that before disposing of the plug itself, you make the pins unusable so that it cannot be accidentally inserted into a socket. Instructions for connecting cable to an alternative plug:

Important: the wires in the mains lead are coloured in accordance with the following code:

Green & Yellow - Earth

Blue - Neutral

Brown - Live

As the colours of the wires in the mains lead may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows:

Connect Green & Yellow wire to terminal marked "E" or ± or coloured Green or Green & Yellow.

Connect Brown wire to terminal marked "L" or coloured Red.

Connect Blue wire to terminal marked "N" or coloured Black. If a 13 amp plug (BS 1363) is used it must be fitted with a 13 amp fuse. A 15 amp plug must be protected by a 15 amp fuse, either in the plug or adaptor or at the distribution board. If you are in any doubt about the electrical supply to your machine, consult a qualified electrician before use.

How to connect an alternative plug:

The wires in this mains lead are coloured in accordance with the following code:

BLUE "NEUTRAL" ("N")

BROWN "LIVE" ("L")

GREEN AND YELLOW "EARTH" ("E")

GREEN & YELLOW BROWN BLUE 13 ampere fuse CROSS-BAR CORD GRIP

Disposing of the appliance:

When disposing of the appliance please remove the plug by cutting the mains cable as close as possible to the plug body and dispose of it as described above.

Close-up view

Ariston Thermo MBA 3831 V - Close-up view - 1

Quick cool button

Ariston Thermo MBA 3831 V - Quick cool button - 1

Press it (yellow indicator light "C" comes on) to lower the temperature of the refrigerator compartment to its minimum setting.

Ariston Thermo MBA 3831 V - Quick cool button - 2

Temperature regulator knob for the fridge

Ariston Thermo MBA 3831 V - Temperature regulator knob for the fridge - 1

compartment

This knob allows you to adjust the fridge temperature to different positions;

● the fridge is switched off;
1 minimum refrigeration setting;
5 maximum refrigeration setting.
- optimal temperature at low consumption levels;

Ariston Thermo MBA 3831 V - compartment - 1

Holiday function enabled.

Ariston Thermo MBA 3831 V - compartment - 2

Quick cool yellow indicator light

Ariston Thermo MBA 3831 V - Quick cool yellow indicator light - 1

This yellow indicator light comes on when the quick cool is enabled by pressing button "A".

Ariston Thermo MBA 3831 V - Quick cool yellow indicator light - 2

Green indicator light

Ariston Thermo MBA 3831 V - Green indicator light - 1

When this green indicator light is on, it indicates that the appliance is connected to the electricity network.

Ariston Thermo MBA 3831 V - Green indicator light - 2

Rapid freezing indicator light

Ariston Thermo MBA 3831 V - Rapid freezing indicator light - 1

This yellow indicator light comes on when you press the rapid freezing button "G".

Note: these three indicator lights also signal an abnormal increase in the temperature of the freezer compartment (see "Alarm buzzers and visual warnings" paragraph).

Ariston Thermo MBA 3831 V - Rapid freezing indicator light - 2

Temperature regulator knob for the freezer

compartment

Ariston Thermo MBA 3831 V - compartment - 1

This knob allows you to adjust the freezer temperature to different positions:

● the fridge and freezer are switched off;
1 minimum refrigeration setting;
5 maximum refrigeration setting.
● optimal temperature at low consumption levels;

Remember that you can also interrupt the operation of the whole appliance (fridge included) by setting the knob to position " 🔊".

Ariston Thermo MBA 3831 V - compartment - 2

Rapid freezing button

Ariston Thermo MBA 3831 V - Rapid freezing button - 1

super freeze

Press it (yellow indicator light "E" comes on) to freeze fresh food.

Ariston Thermo MBA 3831 V - Rapid freezing button - 2

flowchart
graph TD
    A["Start"] --> B["Step 1: Circle 1"]
    B --> C["Step 2: Circle 2"]
    C --> D["Step 3: Circle 3"]
    D --> E["Step 4: Circle 4"]
    E --> F["Step 5: Circle 5"]
    F --> G["Super Freeze Step"]
    style A fill:#f9f,stroke:#333
    style B fill:#ccf,stroke:#333
    style C fill:#cfc,stroke:#333
    style D fill:#fcc,stroke:#333
    style E fill:#cff,stroke:#333
    style F fill:#ffc,stroke:#333
    style G fill:#cfc,stroke:#333

Ariston Thermo MBA 3831 V - Rapid freezing button - 3

Removable lidded shelf, with egg tray and butter dish

Ariston Thermo MBA 3831 V - Rapid freezing button - 4

Removable miscellaneous shelf

Ariston Thermo MBA 3831 V - Rapid freezing button - 5

Hinged bottle rack

Ariston Thermo MBA 3831 V - Rapid freezing button - 6

Bottle trap

Ariston Thermo MBA 3831 V - Rapid freezing button - 7

Removable door shelf for bottles

Ariston Thermo MBA 3831 V - Rapid freezing button - 8

Ice tray

Ariston Thermo MBA 3831 V - Rapid freezing button - 9

Adjustable feet

Ariston Thermo MBA 3831 V - Rapid freezing button - 10

"Drain" System for the removal of defrosting water

Ariston Thermo MBA 3831 V - Rapid freezing button - 11

Compartment for storing frozen foods

Ariston Thermo MBA 3831 V - Rapid freezing button - 12

Compartment for freezing fresh foods and storing frozen foods

Ariston Thermo MBA 3831 V - Rapid freezing button - 13

Fruit and Vegetable Crispers

Ariston Thermo MBA 3831 V - Rapid freezing button - 14

Sliding meat and cheese box

Ariston Thermo MBA 3831 V - Rapid freezing button - 15

Removable/Adjustable Shelves

Ariston Thermo MBA 3831 V - Rapid freezing button - 16

"A.I.R." Sysrem (Ariston Integrated Refrigeration)

U T S R Q P N O N H I I I K L M

How to Start the Appliance

NOTICE

After the appliance has been delivered, stand it in the upright position and wait approximately 3 hours before connecting it to the electrical outlet to guarantee that it operates properly.

Before placing foodstuffs in the refrigerator or freezer, clean the interior well with warm water and baking soda.

Motor protection delay

This model is provided with a motor protection control system. Therefore, if the compressor does not start immediately upon installation, do not worry as it will start automatically after approximately 8 minutes.

This is also what will happen every time the power supply is interrupted, both due to a power failure or should you switch it off yourself (to clean or defrost your freezer, for example).

After having plugged the appliance in, make sure that pilot lamp "D" is lit. If not, make sure that the freezer knob "F" is not on position "●".

Refrigerator compartment

Set knob "B" onto a medium position and you can place food in the fridge after only a few hours.

Freezer compartment

Set knob "F" to a medium position and press the rapid freezing button "G" (indicator light "E" will come on and a temperature of -35°C will appear on the freezer display). When the freezer has reached the optimum temperature, yellow indicator light "E" will come off. Now you can place frozen food in the freezer.

How to use the refrigerator compartment...

The thermostat automatically regulates the temperature inside the appliance

1 = less cold
5 = colder

It is recommended that a medium setting be used.

The refrigerator compartment of your appliance is equipped with

"Aircooler" which makes it possible to achieve optimal food storage while simplifying the use of the refrigerator thanks to the following features:

  • Fast temperature reset: after the doors have been opened, the internal temperatures return to optimal values faster, improving food storage.
  • More uniform temperature distribution: this makes it possible to place any type of food on any shelf.
  • Higher humidity level: this allows you to store food longer.

Diagram illustrating magnetic field lines around a device with labeled components A and B, showing directional flow patterns.

A - Blown air which is cooled when it comes into contact with the refrigeration panel

B - Hotter air is drawn in

When the fridge compartment is filled up after a heavy shopping spree, use the Quick Cool function (press button "A" to enable it) in order to reach optimum operating conditions quickly. Once the necessary time has elapsed, the function is disabled automatically.

Remember to follow our instructions on the storage life of foods: If not stored correctly, even the freshest food will deteriorate quite quickly.

Contrary to popular belief, cooked foods do not keep longer than fresh food.

The refrigerator compartment of your appliance is fitted with practical removable shelves (Fig. 1) whose height can be adjusted to allow storage of large containers. This shelves can also be tilted for storage of opened bottles.

Remember to cool hot food before storing otherwise the temperature inside the appliance will increase, causing the compressor to work harder and use more energy.

Do not store liquids in unsealed containers since this will increase the humidity and lead to the formation of frost in the refrigerator.

1 2

Fig. 1

To use the meat/cheese box, unhook it and remove it from the shelf. To optimise space according to your needs, the same can be moved laterally (Fig. 2).

The side bottle rack can be used either for storing bottles (Fig. 3) as well as several cans (2-4) placed horizontally. If not in use, the bottle/can rack can be tipped up and away to make more room inside the refrigerator.

Ariston Thermo MBA 3831 V - How to use the refrigerator compartment... - 3

natural_image Diagram of a refrigerator drawer with arrows indicating flow direction (no text or symbols)

Fig. 2

Ariston Thermo MBA 3831 V - How to use the refrigerator compartment... - 4

natural_image Diagram of a mechanical device with a cylindrical component and directional arrows indicating motion (no text or symbols)

Fig. 3

How to use the freezer compartment...

For the preparation of food to be frozen, please consult a specialized manual.

Food that has been thawed, even partially, must not be re-frozen: you must cook it in order to consume it (within 24 hours) or to freeze it once again.

When freezing fresh foods, remember that they should not touch other previously frozen or deep frozen foods. Place the food that you wish to freeze in the top compartment "Q" where the temperature will fall below -18°C, which is ideal for freezing food properly. Remember that proper conservation depends on the speed of freezing.

The maximum amount of food you can freeze per day is indicated on the data plate situated inside the refrigerator compartment.

The first time, or after the freezer has been inactive, you can only freeze food after having let the appliance function at maximum.

When the appliance is already on, freezing can be done in two ways:

  1. for small quantities, less than the maximum capacity indicated on the data plate, just press the freezing button "G" (yellow lamp "E" lit) and insert the food to be frozen. After 24 hours, or once the optimum temperatures have been reached, the rapid freezing function will switch itself off automatically (yellow lamp "E" off).

  2. For large quantities of food to be frozen (up until the maximum load indicated on the data plate), keep the freezing button "G" pressed down until the yellow lamp starts flashing quickly. After 24 hours, the yellow lamp will stop flashing (permanently lit); you can now insert the food to be frozen. After 24 hours, the button will switch itself off automatically (yellow lamp off).

During the freezing process, avoid opening the door of the freezer.

In order to freeze and then thaw foods optimally, it is recommended that you divide food into small portions so that they freeze quickly and uniformly. The packages should be clearly marked with the content and the date they were frozen.

In order to obtain a larger amount of space in the freezer compartment, you can remove the central drawer, and place the food directly onto the evaporator plate. Make sure that, after having inserted the load, the door closes correctly.

Do not open the freezer door in the event of a power failure or malfunction. This precaution will slow the rise in temperature within the compartment. If the door is not opened, frozen and fast-frozen foods will remain in their current state for approximately 9-14 hours.

Do not place full bottles in the freezer: they could easily burst because all liquids increase in volume when they freeze.

Ice trays

This new concept of ice trays is an exclusive Merloni patent. The fact that they are situated on the inner door of the freezer compartment ensures greater ergonomics and cleanliness: the ice no longer comes into contact with the food placed inside the freezer compartment; furthermore, the dripping of the water during filling is avoided (a lid to cover up the hole after filling with water is also provided).

To remove the ice trays from their housings, push the tray upwards and then pull it out (fig. 4). To put the tray back in place, insert the top part into the special housing and, once in a vertical position, just let it drop into place.

Ariston Thermo MBA 3831 V - Ice trays - 1

natural_image Diagram of a door panel with teeth arrangement and directional arrows indicating movement (no text or symbols)

Fig. 4

Instructions for use (Fig. 2)

Fill up the tray with water via the special hole up to the level indicated (MAX WATER LEVEL), taking care not to exceed it: inserting more water than is necessary will lead to the formation of ice which could obstruct the exit of the ice cubes. If you have used an excessive amount of water, you will have to wait until the ice has melted, empty out the tray and re-fill it with water.

Once you have filled the ice tray up with water through the hole indicated, turn it by 90°. Thanks to the connected compartments, the water fills up the special shapes, after which you can cover the hole up with the special cap and place the ice tray in the inner door of the freezer compartment.

Once the ice has formed, all you need to do is to knock the tray against a hard surface so that the ice cubes come away from their housing and come out of the same hole used to fill the tray with water. To make it easier for the ice cubes to come out, wet the outside of the tray.

WARNING: every time you fill up the ice tray with water, make sure that the same is completely empty and that there are no traces of ice left inside it.

The minimum time required for ice to form well is approximately 8 hours.

MAX WATER LEVEL

Fig. 5

Guide to Using the Freezer

Meat and Fish

Food WrappingTenderising (days)Storage (months)Thawing Time
Beef RoastTinfoil2 / 39 / 10Not required.
LambTinfoil1 / 26Not required.
Pork Roast Tinfoil 1 6 Not required.
Veal Roast Tinfoil 1 8 Not required.
Veal/Pork ChopsEach piece wrapped in cling wrap and then in tinfoil (4 to 6 slices)6 Not required.
Veal/Lamb CutletsEach piece wrapped in cling wrap and then in tinfoil (4 to 6 slices)6 Not required.
Minced MeatIn aluminium containers covered with cling wrap.Freshly minced2 Slowly in refrigerator.
Heart and LiverPlastic Baggies3Not required.
SausagesCling Wrap or Tinfoil2As necessary.
Chicken and TurkeyTinfoil1 / 39Very slowly in refrigerator.
Duck and GooseTinfoil1 / 46Very slowly in refrigerator.
Pheasant, Partrige and Wild DuckTinfoil1 / 39Very slowly in refrigerator.
Hare and RabbitTinfoil3 / 46Very slowly in refrigerator.
VenisonTinfoil or Cling Wrap5 / 69Very slowly in refrigerator.
Large FishTinfoil or Cling Wrap4 / 6Very slowly in refrigerator.
Small FishPlastic Baggies2 / 3Not required.
CrustaceansPlastic Baggies3 / 6Not required.
ShellfishStore in salted water in aluminium containers or plastic containers.3 Very slowly in refrigerator.
Boiled FishTinfoil or Cling Wrap12In hot water.
Fried FishPlastic Baggies4 / 6Directly in pan.

Fruits and Vegetables

Food PreparationBlanching TimeWrappingStorage (months)Thawing Time
Apples and Pears Peeland cut into slices. 2'In Containers (cover with syrup)12In refrigerator very slowly.
Apricots, Peaches, Cherries and PlumsPeel and pit. 1' / 2'In Containers (cover with syrup)12In refrigerator very slowly.
Strawberries Blackberries and RaspberriesRinse and fry.In Containers (cover with sugar)10 / 12In refrigerator very slowly.
Cooked Fruit Cut, cook and strain.In Containers (add 10% sugar)12In refrigerator very slowly.
Fruit Juice Wash, cut and crush.In Containers (sugar to taste)10 / 12In refrigerator very slowly.
CauliflowerRemove leaves, cut head into small pieces and blanch in water and a little lemon juice.2'Plastic Baggies12Not required.
Cabbage and Brussel SproutsWash and cut into small pieces.1' / 2'Plastic Baggies10 / 12At room temperature.
PeasShell and wash.2'Plastic Baggies12Not required.
French BeansWash and slice if required.2Plastic Baggies10 / 12Not required.
Carrots, Peppers and TurnipsPeel, wash and slice if necessary.3' / 4'Plastic Baggies12Not required.
Mushrooms and AsparagusWash, peel and cut up.3' / 4'Plastic Baggies or Containers6At room temperature.
SpinachWash and mince.2'Plastic Baggies12At room temperature.
Vegetable for SoupsWash and cut up in small pieces.3'Plastic Baggies or Containers6 / 7Not required.
Various FoodsPreparationBlanching TimeWrappingStorage (months)Thawing time
BreadPlastic Baggies4At room temperature and in the oven.
CakesPlastic Baggies6About 10 minutes at room temperature, cook at 100/200°C.
CreamPlastic Containers6At room temperature or in refrigerator.
ButterIn original wrapping or tinfoil6In refrigerator.
Boiled Food or Vegetable SoupPlastic or Glass Containers3 / 6At room temperature or in hot water.
EggsFreeze without shells in small containers10At room temperature or in refrigerator.

Tips on Saving Energy

- Install it well

And therefore far from heat sources, from direct sunlight, in a well aired place and according to the distances indicated in the section on "Installation/Aeration".

- Just the right cold

Too cold a compartment increases energy consumption.

- Do not Overfill

To conserve food properly, the cold air must circulate freely within the refrigerator. If it is overfilled, this will prevent proper air circulation, forcing the compressor to work continuously.

- Close the Doors

Open your refrigerator as little as possible because each time you do so you loose much of the cold air. To raise the temperature to the proper level again, the motor must work for a long time, consuming energy.

- Keep an Eye on the Seals

Keep the seals clean and make sure that they adhere well to the door. This alone will ensure that no cold air escapes.

- No Hot Foods

A hot pot or pan placed in the refrigerator immediately raises the temperature several degrees. Let hot cookware and food cool to ambient temperature before placing them in the refrigerator.

- Defrost the Freezer

Check the thickness of the frost on the walls of the freezer and immediately defrost it if the layer of frost is too thick. (see the section entitled, "Keeping your Appliance in Shape").

Alarm buzzers and visual warnings

Door open alarm

If the refrigerator door is left open for more than two minutes, a buzzer will sound. The buzzer will stop sounding when you shut the door.

Abnormal freezer heating alarm

  1. To signal an excessive heating on the part of the freezer, a buzzer will sound and the two yellow indicator lights "C" and "E" will start flashing to indicate a dangerous state of overheating. To prevent food from refreezing, the freezer will try to maintain a temperature of 0°C, thus allowing you to use up the food within 24 hour or to refreeze it after cooking it. Using the special alarm silencing procedure (open and shut the refrigerator door), you can turn off the buzzer. To go back to normal operating conditions, set the freezer knob "F" to position "●" (refrigerator off) and then turn the appliance back on.

  2. If the temperature inside the freezer continues to rise to excessively high values, the buzzer will sound yet again and the two yellow indicator lights "C" and "E" together with the green one "D" will start flashing to indicate an excessive heating. We recommend you check the conditions of the food, as it may be necessary to throw it away. In all cases, food should not be refrozen unless you cook it first. To prevent food from refreezing, the freezer will maintain a temperature of 0°C. Using the special alarm silencing procedure (open and shut the refrigerator door), you can turn off the buzzer. To go back to normal operating conditions, set the freezer knob "F" to position "(refrigerator off) and then turn the appliance back on."

Ariston Thermo MBA 3831 V - Abnormal freezer heating alarm - 1
+ buzzer

Dangerous overheating

Ariston Thermo MBA 3831 V - Abnormal freezer heating alarm - 2
+ buzzer

Excessive heating

Keeping Your Appliance in Shape

Before performing any cleaning or defrosting operations, unplug the appliance from the mains electricity supply (set knob "F" to position "●" and then pull the plug out). Should you fail to follow this procedure, an alarm condition may arise. WARNING: this alarm is not a sign of an anomaly. To restore your appliance's normal operating conditions, set knob "F" to position "●" and then to the desired setting.

Defrosting

WARNING: do not damage the refrigeration circuit. Do not use mechanical devices or other tools to speed up the defrosting process, unless they have been recommended by the manufacturer.

How to Defrost the Refrigerator

This appliance defrosts automatically and the water is channeled to the back toward the drain installed for this purpose (fig. 6). Here, the heat produced by the compressor will make it evaporate. The only thing you must do is to periodically check and clean the hole of the drain, which is located behind the vegetable crispers, so that the water drains properly.

How to defrost the freezer compartment

- Remove the frost from time to time with the aid of the special scraper provided (do not use knives or metal objects). - If the frost is more than 5 mm thick, then you must defrost the freezer completely. Proceed as follows: one day beforehand, press the freezing button "G" until the yellow lamp "E" comes on; it helps give the food a healthy extra "cold shock". After 24 hours, the button switches itself off automatically, yet you can switch it off yourself just be pressing it again. Set the thermostat knob "F" on position "●". WARNING: this operation switches off the whole appliance (including the fridge compartment).

Wrap all frozen foods in newspaper and place them either in another refrigerator or in a cool place. Leave the door open, so as to allow all the frost to melt completely, helping it along with containers filled with lukewarm water.

The unit is provided with a system which allows the defrost water to be collected in a container to be placed beneath the unit (proceed as illustrated in fig. 7).

Clean and dry thoroughly before restarting the appliance. Remember that the motor will not start immediately, but rather after approximately 8 minutes.

Ariston Thermo MBA 3831 V - How to defrost the freezer compartment - 1

natural_image Diagram of a kitchen sink with a downward arrow indicating a drop or direction (no text or symbols present)

Fig. 6

Ariston Thermo MBA 3831 V - How to defrost the freezer compartment - 2

natural_image Illustration of a kitchen appliance with a drain and a small pot inserted (no text or symbols)

Fig. 7

Cleaning and maintenance

HOLIDAY FUNCTION. Mould and bad odours forming inside your unused fridge when you go on holiday need no longer be a problem: just enable the Holiday function (by setting knob "B" accordingly). This way, with limited energy consumption, the temperature of the refrigerator compartment is kept at around 15°C (you can store your make up and beauty products in it, for example) and the freezer is operated at its minimum setting, which is essential for food preservation.

A brief double buzzer will sound to confirm the function has been enabled, whereas a single buzzer indicates it has been disabled.

Ariston Thermo MBA 3831 V - Cleaning and maintenance - 1

Before cleaning your refrigerator, set knob "F" to position "●" and then unplug the appliance.

  • Your appliance is manufactured with hygienic odourless materials. To preserve these characteristics, always use sealed containers for strong smelling foods to avoid the formation of odours that are difficult to remove.
  • Use only a water and bicarbonate solution: Clean the internal and exterior of your appliance with a sponge soaked with a warm water and sodium bicarbonate solution, which is also a good disinfectant. If you do not have any sodium bicarbonate at home, use neutral detergent.
  • What not to use: Do not use abrasive detergents, bleach or detergents containing ammonia. Never use solvent based products.
  • All the removable parts can be cleaned by soaking in hot soapy water or detergent. Remember to dry thoroughly before replacing them.
  • What about the back panel? Dust may deposit on the back panel and affect the proper running of the appliance. To remove dust, vacuum away the dust very carefully using the appropriate vacuum cleaner accessory.
  • When the appliance is left unused for an extended amount of time. If you decide to switch your appliance off during the summer months, clean it on the inside and leave the doors open.
  • Replacing the light bulb.

When replacing the light of the refrigerator compartment unplug the unit from the power supply and change the used lamp with another one of not more than 15 W. For access ti lamp "A", remove the centre screw "B" at the back of the lamp cover, as indicated in fig. 8.

A B

Fig. 8

Is There a Problem?

Green LED does not light up

Have you checked whether:

  • The main switch for the electricity to the apartment or home has been turned off;
  • The plug is properly inserted in the outlet;
  • The outlet is adequate; try inserting the plug into another outlet in the room.

The motor does not start

Have you checked whether:

- 8 minutes have passed since you switched the appliance on?

This model is in fact provided with a motor protection control system which means that it will only start approximately 8 minutes after being switched on.

Warning lights are weak

Check that:

- Invert the plug in the outlet to see if this still happens.

The refrigerator and the freezer do not cool properly.

Have you checked whether:

  • The doors do not close well or the seals are faulty;
    • The doors are left open too long;
  • The thermostat knob is not on the proper setting;
  • The refrigerator or freezer is overfilled.

The food in the refrigerator becomes too cold.

Have you checked whether:

  • The thermostat knob is on the proper setting;
  • The food is in contact with the back wall - which is the coldest part.

The motor runs continuously.

Have you checked whether

  • the freezer switch has been pressed (yellow lamp lit or flashing);
  • The doors are not closed well or have remained open too long;
    • The ambient temperature is too high;
  • The thermostat knob is not on the proper setting.

The appliance makes too much noise.

The gas refrigerant produces a slight noise even when the compressor is not running (this is not a defect).

Have you checked whether:

• The refrigerator is level.
- The appliance was installed between cabinets or objects that vibrate and make noise.

There is water on the bottom of the refrigerator.

Have you checked whether:

- The hole for draining the water from the frost is clogged.

If after all the checks, the appliance still does not operate or the problem persists, call the nearest Service Centre and inform them of: the type of problem, the abbreviation of the model name (Mod.) and the relative numbers (S/N) written on the rating plate located at the bottom left next to the vegetable crisper (see examples in the figures below).

Mod. RG 2330 TI Cod. 93139180000 S/N 704211801 220 - 240 V- 50 Hz 150 W W Fuse A Max 15 w Total 340 75 Freiz. Capac Class Gross Gross Gross Poder de Cong Bruto Bruto Util Bruto kg/24 h 4,0 Clase N Brut Brut Utile Brut Compr. Syst. Kompr. R 134 a Test Pressure HIGH-235 kg 0,090 P.S-I. LOW 140 Made in Italy 13918

Never call on unauthorized technicians and always refuse spare parts which are not originals.

Reversing the door opening
Technical diagram illustrating three-step assembly of a refrigerator with labeled components and directional arrows indicating motion.

Ariston Thermo MBA 3831 V - There is water on the bottom of the refrigerator. - 3

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Product information

Brand : Ariston Thermo

Model : MBA 3831 V

Category : Refrigerator