Q: What does the error code P1 mean on my air conditioner EXP34U338CW and how can I fix it?

The error code P1 means that the lower water tank is full. This is a normal safety message, not a serious malfunction. It indicates that the condensate accumulated during cooling or dehumidification has filled the tank. After 3 years of use, it is common for the tank to fill regularly, as the unit produces water in cooling and dehumidification mode. Quick Fix Gently move the unit to a water drainage point Remove the lower drain plug and let the water flow into a container Reinstall the plug once emptied Restart the unit - the P1 code will disappear To avoid this problem in the future: regularly drain the tank (at least once a week if you use the dehumidification mode a lot). You can also connect a garden hose (sold separately) to the continuous drainage outlet and position it lower than the unit for automatic drainage during prolonged use. Important: Never drink the water from the tank as it contains contaminants.

Q: Where is the condensation tank of the Electrolux EXP35U538CW air conditioner located?

The condensation tank (opsamlingsbakke) is located in the lower base of the unit . This is where the condensed water from air cooling accumulates. How to empty the tank Two solutions are offered: Option 1 - Manual emptying: Place a collection tank under the lower drainage outlet Remove the rubber plug Let the water flow into the tank Replace the plug once finished If the tank is full, the error code P1 will appear on the screen Option 2 - Continuous emptying (recommended): Unscrew the plug from the continuous drainage outlet Connect a garden hose (sold separately) to this outlet Position the end of the hose lower than the unit so that the water flows out automatically Ensure that the height of the hose does not exceed the drainage outlet, otherwise the continuous drainage will not work properly Recommended maintenance: Clean the system every 15 days to maintain optimal efficiency. Before winter storage, completely empty all water residues from the system.

Q: How to clean and maintain the ELECTROLUX EXP35U538CW air conditioner?

Cleaning the air filters The filters should be cleaned every 15 days of operation or after 250 hours of use. When the "Filter" indicator lights up, it indicates that it is time to intervene. Remove the upper and lower filters Clean them using dish soap and warm water (temperature below 40 °C) Rinse thoroughly and shake to remove excess water Allow to dry completely before reinstalling You can also vacuum the dirt instead of washing them Important: Never use the device without an air filter and ensure that the filter is completely dry before putting it back in place. Cleaning the condensation tank The tank is located in the lower base of the device. You have two options: Manual drainage: Place a container under the lower outlet, remove the rubber plug, and let the water drain completely before replacing the plug Continuous drainage (recommended): Unscrew the drainage plug from the continuous outlet and connect a garden hose (sold separately) positioning its end lower than the device External cleaning For the body of the device, use an oil-free cloth or clean with a cloth dampened with warm water and mild dish soap. Avoid abrasive products, wax, or polish. Remove excess water around the buttons to prevent damage. Winter storage Before prolonged storage, completely drain all condensation water, clean the filters, remove the batteries from the remote control, and store the device in a cool, dry, and ventilated place, away from direct sunlight.

Q: How to properly install the heat exhaust hose of the Electrolux EXP34U339CW air conditioner?

The heat exhaust hose (also called exhaust duct) is the essential element that expels hot air outside through a window or wall opening. Do not confuse it with the drainage hose, which expels condensation water. Installation of the exhaust hose: Allowed length: The hose can extend from 38 cm to a maximum of 150 cm. Use the minimum length possible to avoid efficiency losses. Connection: The hose connects to the unit via Adapter A and Adapter B (flat nozzle), which are provided in the installation kit. No sharp bends: Ensure that the hose does not have sharp bends or sagging during its run to the window. This would compromise the expulsion of hot air. Exit to the outside: The hose must exit completely outside (window, balcony, wall). Do not leave it inside. Usage: The exhaust hose is active during cooling and heating operation. Regularly check that it is not blocked or crushed.

Q: What is the Sleep function of the air conditioning?

The Sleep function is an energy-saving and comfort feature that allows you to achieve a pleasant temperature while reducing electricity consumption. It is particularly suitable for nighttime or prolonged use. Activation Press the Sleep button on the control panel of your air conditioning to activate this function. A further press will deactivate it. Compatible modes The Sleep function is available when your Electrolux EXP35U539CW air conditioning is operating in the following modes: Cool Heat Auto

Question 1

What does the error code P1 mean on my air conditioner EXP34U338CW and how can I fix it?

Accepted Answer

The error code P1 means that the lower water tank is full. This is a normal safety message, not a serious malfunction. It indicates that the condensate accumulated during cooling or dehumidification has filled the tank.

After 3 years of use, it is common for the tank to fill regularly, as the unit produces water in cooling and dehumidification mode.

Quick Fix

Gently move the unit to a water drainage point
Remove the lower drain plug and let the water flow into a container
Reinstall the plug once emptied
Restart the unit - the P1 code will disappear

To avoid this problem in the future: regularly drain the tank (at least once a week if you use the dehumidification mode a lot). You can also connect a garden hose (sold separately) to the continuous drainage outlet and position it lower than the unit for automatic drainage during prolonged use.

Important: Never drink the water from the tank as it contains contaminants.

Question 2

How do I clean my ELECTROLUX EXP09HN1WI air conditioner?

Accepted Answer

Regular cleaning and maintenance

Your ELECTROLUX EXP09HN1WI air conditioner has two air filters that require regular cleaning to maintain its performance.

Cleaning the filters (to be done every two weeks)

Filter A: Lift the tab on the upper panel and remove the filter from the rear grille.

Filter B: Remove the screw, then the air intake grille, and extract the filter.

To clean the filters, use warm water and mild dish soap. Rinse thoroughly and allow to dry completely before replacing. You can also simply vacuum the dirt instead of washing them.

Cleaning the outer casing

Before any cleaning: completely unplug the device to avoid the risk of electric shock
Use a lint-free cloth or one slightly dampened with warm water and mild dish soap
Rinse and wipe thoroughly
Absolutely avoid abrasive cleaners, wax, or polish
Remove excess water around the buttons and controls, as moisture can damage the device

Winter storage

Cover the device with plastic or store it in its original box.

Question 3

Where is the condensation tank of the Electrolux EXP35U538CW air conditioner located?

Accepted Answer

The condensation tank (opsamlingsbakke) is located in the lower base of the unit. This is where the condensed water from air cooling accumulates.

How to empty the tank

Two solutions are offered:

Option 1 - Manual emptying:

Place a collection tank under the lower drainage outlet
Remove the rubber plug
Let the water flow into the tank
Replace the plug once finished
If the tank is full, the error code P1 will appear on the screen

Option 2 - Continuous emptying (recommended):

Unscrew the plug from the continuous drainage outlet
Connect a garden hose (sold separately) to this outlet
Position the end of the hose lower than the unit so that the water flows out automatically
Ensure that the height of the hose does not exceed the drainage outlet, otherwise the continuous drainage will not work properly

Recommended maintenance: Clean the system every 15 days to maintain optimal efficiency. Before winter storage, completely empty all water residues from the system.

Question 4

The Electrolux EXP35U538CW air conditioner is not cooling sufficiently, what should I do?

Accepted Answer

If your Electrolux EXP35U538CW air conditioner is not cooling sufficiently, here are the checks to perform:

Essential Checkpoints

Dirty filters: This is the most common cause. According to the manual, clean the upper and lower filters every two weeks of operation. A light will activate after 250 hours of use to alert you. Remove the filters and wash them in warm water (below 40 °C) with mild soap, then let them dry completely before reinstalling.
Set temperature: Check on the remote control that the selected temperature is lower than the ambient temperature of your room. The cooling range is from 16 to 35 °C.
Drain hose: Ensure that the condensate drain hose is properly connected and not blocked. If you are using continuous drainage, check that the garden hose is properly attached to the continuous outlet.
Outdoor temperature: The unit can only cool if the outdoor temperature exceeds 16 °C.

In most cases, cleaning the filters resolves the issue. If the power reduction persists after these checks, a professional diagnosis may be necessary.

Question 5

How to clean and maintain the ELECTROLUX EXP35U538CW air conditioner?

Accepted Answer

Cleaning the air filters

The filters should be cleaned every 15 days of operation or after 250 hours of use. When the "Filter" indicator lights up, it indicates that it is time to intervene.

Remove the upper and lower filters
Clean them using dish soap and warm water (temperature below 40 °C)
Rinse thoroughly and shake to remove excess water
Allow to dry completely before reinstalling
You can also vacuum the dirt instead of washing them

Important: Never use the device without an air filter and ensure that the filter is completely dry before putting it back in place.

Cleaning the condensation tank

The tank is located in the lower base of the device. You have two options:

Manual drainage: Place a container under the lower outlet, remove the rubber plug, and let the water drain completely before replacing the plug
Continuous drainage (recommended): Unscrew the drainage plug from the continuous outlet and connect a garden hose (sold separately) positioning its end lower than the device

External cleaning

For the body of the device, use an oil-free cloth or clean with a cloth dampened with warm water and mild dish soap. Avoid abrasive products, wax, or polish. Remove excess water around the buttons to prevent damage.

Winter storage

Before prolonged storage, completely drain all condensation water, clean the filters, remove the batteries from the remote control, and store the device in a cool, dry, and ventilated place, away from direct sunlight.

Question 6

How to properly install the heat exhaust hose of the Electrolux EXP34U339CW air conditioner?

Accepted Answer

The heat exhaust hose (also called exhaust duct) is the essential element that expels hot air outside through a window or wall opening. Do not confuse it with the drainage hose, which expels condensation water.

Installation of the exhaust hose:

Allowed length: The hose can extend from 38 cm to a maximum of 150 cm. Use the minimum length possible to avoid efficiency losses.
Connection: The hose connects to the unit via Adapter A and Adapter B (flat nozzle), which are provided in the installation kit.
No sharp bends: Ensure that the hose does not have sharp bends or sagging during its run to the window. This would compromise the expulsion of hot air.
Exit to the outside: The hose must exit completely outside (window, balcony, wall). Do not leave it inside.

Usage: The exhaust hose is active during cooling and heating operation. Regularly check that it is not blocked or crushed.

Question 7

Why do the hoses of my Electrolux EXP34U339CW air conditioner keep coming off?

Accepted Answer

Hoses that keep coming off generally indicate that the connections are not properly tightened or that there is a positioning issue with the hoses.

Checks to perform:

Tightening the adapters: Check that the exhaust hose is securely screwed into Adapter A (device side) and Adapter B (window side). Tighten them firmly by hand, then check that they do not unscrew under vibration.
Folds and sagging: According to the manual, "Make sure the hose does not have sharp bends or sagging." A bent or abnormally hanging hose can create tension that loosens the connections. Straighten the hose and ensure there are no crushed areas or overly tight bends.
Hose length: The hose can extend from 38 cm to a maximum of 150 cm. If your installation exceeds these limits or is not regularly supported along the path, it may weaken the connections.
Support for the hose: Ensure that the hose is supported or secured at regular intervals so that it does not sag under its own weight, which could gradually loosen the adapters.

If after these checks the hoses continue to come off, it is possible that the threads of the adapters are damaged. In this case, you will need to replace one of these components (Adapter A or B).

Question 8

What is the Sleep function of the air conditioning?

Accepted Answer

The Sleep function is an energy-saving and comfort feature that allows you to achieve a pleasant temperature while reducing electricity consumption. It is particularly suitable for nighttime or prolonged use.

Activation

Press the Sleep button on the control panel of your air conditioning to activate this function. A further press will deactivate it.

Compatible modes

The Sleep function is available when your Electrolux EXP35U539CW air conditioning is operating in the following modes:

Cool
Heat
Auto

Question 9

How do I clean the internal area behind the blue grille of my EXP34U338CW air conditioner that accumulates dust and hair?

Accepted Answer

You have identified a common and important point of dirt accumulation on the EXP34U338CW. The blue grille protects the internal heat exchanger, a critical area for the optimal functioning of the air conditioner.

Why does this area get dirty

The internal heat exchanger of the EXP34U338CW air conditioner attracts dust and hair because air circulates through it constantly. This dirt accumulation reduces cooling efficiency: the unit has to work harder to cool, which increases electricity consumption and can cause unexpected shutdowns or irregular operation.

How to clean

The manual for the EXP34U338CW prescribes regular cleaning of the filters every two weeks of operation, with lukewarm water (less than 40°C) and mild soap. However, for the internal area behind the blue grille, you should not disassemble the unit yourself. The manual states that only a certified maintenance technician is authorized to access the internal components.

Recommendation: Contact an authorized Electrolux service provider for professional cleaning of the internal heat exchanger. This is a common maintenance intervention that usually costs a few dozen euros and completely restores the efficiency of your air conditioner.

While waiting for the intervention: Continue to clean the external filters regularly (every two weeks). This reduces the dirt accumulation load and temporarily improves air circulation.

Question 10

Why does my air conditioner EXP34U338CW stop after a few minutes of cooling, making a strange noise while only the fan continues to run?

Accepted Answer

This behavior generally indicates a safety shutdown of the compressor. Here are the most likely causes:

1. Clogged filters

This is the most common cause. Dirty filters reduce airflow and cause ice buildup on the internal evaporator. The unit stops to protect itself.

Clean the lower and upper filters with lukewarm water (less than 40°C) and a mild detergent
Let them dry completely before reinstalling
Repeat this cleaning every two weeks to avoid this problem

2. Insufficient ventilation of the unit

The EXP34U338CW air conditioner needs free space around it to operate properly.

Check that the drain hose is not blocked or bent
Ensure that the unit is not against a wall or in a corner
Keep at least 30 cm of free space around the unit

3. Noise and compressor shutdown

The strange noise you hear likely indicates that the compressor is shutting down (thermal protection activated). The fan continues alone, which is normal.

4. Check the set temperature

If the room quickly reaches the set temperature, the unit stops the compressor and switches to fan mode (fan only). This is normal operation in Auto mode.

Quick solution: clean the filters first, then test with the drain hose properly installed and the unit in a clear space. If the problem persists, there may be an issue with the R290 fluid charge - then contact a technician.

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