CM 501 - Coffee grinder GRAEF - Free user manual and instructions
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USER MANUAL CM 501 GRAEF
EN Operating Instructions
Danger caused by electric current 15
Safety instructions for the electrical connections 15
General safety instructions 16
Requirements on the installation location 17
Product overview. 18
General aspects 19
Information on these operating instructions 19
Intended use 19
Limitation of liability 20
Warning messages and symbols. 20
Unpacking the unit 21
Prior to first use 21
Operation 21
Setting of degree of grinding 21
Grinding coffee for filter coffee 21
Grinding coffee directly into the filter holder 22
Cleaning 22
Cleaning the grinding mechanism. 22
Tips. 23
After-sales service 23
Disposal 24
Disposal of the packaging. 24
Disposal of the unit 24
Warranty. 24
Safety
Danger caused by electric current
Mortal danger is caused by contact with energised cables or components!
Please observe the following safety instructions in order to prevent an exposure to electric current:
- Do not use the unit if the mains cable or plug are damaged.
- In this case, you should let the Graef Customer Service install a new connection cable before using the unit again. This may be done also by an authorised specialist.
- Do not open the housing under any circumstances. If live connections are touched or the electrical and mechanical construction are modified, there is the danger of electric shock.
- Never touch live parts. This can cause an electric shock and may cause even death.
Safety instructions for the electrical connections
For safe and fault-free operation of the unit, the following requirements have to be met during the electrical connection:
- Before connecting the unit, compare the connecting data (voltage and frequency) on the type plate with those of your energy network.
- These details must correspond so that no damage occurs to the unit. In case of doubt ask your trained electrician.
- The socket has to be protected at least by a 10 amps circuit breaker.
- Make sure that the power cable is not damaged and is not laid across hot surfaces or sharp edges.
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The connecting cable must not be stretched tightly.
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The electric safety of the unit is ensured only when it is connected to a socket with protective conductor installed correctly. Operation on a socket without protective conductor is forbidden. If in doubt, let the house installation checked by a trained electrician. The manufacturer shall not assume responsibility for damage which has been caused by absent or interrupted protective conductor.
General safety instructions
This unit is in conformity with the safety instructions mentioned here-inbefore. However, incorrect handling may lead to injury and damage.
For safe handling of this unit, please observe the following safety instructions:
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Before using the unit check for any external visible damage of the housing, the connection cable and plug. Do not operate a damaged unit.
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Repairs may be carried out only by an expert or by Graef after-sales service. Incorrect repairs may cause considerable hazards for the user. In addition, any claim under guarantee is forfeited.
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A repair of the unit during the guarantee period may be carried out by Graef after-sales service only as otherwise there is no claim under guarantee in case of subsequent damage.
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Defective parts must be replaced by original spare parts only. It is only with these parts that the safety requirements are met.
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This unit may be used by persons with reduced physical, sensory or mental abilities or deficiencies in experience and knowledge, if they are supervised or have been instructed in the safe use of the unit, and in addition understand the resulting dangers.
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Children must not use this device. The unit and the connecting cable must not get within the reach of children.
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Children should be supervised in order to make sure that they do not play with this unit.
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In the absence of supervision and prior to assembly, during cleaning, disconnect the unit from the mains.
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The unit is not intended to be used with an external timer or a separate remove control.
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This unit is intended for use in households and similar use, such as: Staff kitchens in shops and office; in agricultural estates; by guests in hotels, motels and other living quarters; in bed and breakfast boarding houses.
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Always disconnect the connection cable by using plug; do not pull the connecting cable.
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Always disconnect the appliance from the supply if it is left unat-
tended and before assembling, disassembling or cleaning
- If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard.
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Switch off the appliance and disconnect from supply before changing accessories or approaching parts that move in use.
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Never touch the plug with moist hands.
- Never carry the unit by its power cable.
- The socket has to be easily accessible so that the power cable can be removed easily in case of emergency.
- Never transport the unit during operation.
- In the absence of supervision and prior to assembly, during cleaning disconnect the unit from the mains.
- This unit is suitable for grinding coffee bean exclusively.
- Packaging materials must not be used for playing. There is a danger of suffocation.
- Do not attempt to grind ground coffee again.
- A single grinding process should not exceed a duration of 1 minute.
Requirements on the installation location
For safe and fault free operation of the unit, the following requirements of the installation location have to be met:
- The unit has to be placed on a solid, flat, horizontal, and non-slipping surface with a sufficient weight-carrying capacity.
- Make sure that the unit cannot topple over.
- Choose the location in such a way that children cannot reach the blade of the unit or the supply lines.
- Never use the unit outdoors, and always keep it in a dry place.
- The unit is not designed for installation in a wall or a built-in cupboard.
- Do not set up the unit in a hot, wet or moist environment.
- The socket has to be easily accessible so that the power cable can be removed easily in case of emergency.
Product overview

Lid
Coffee bean container
Upper grinding mechanism
Lower grinding mechanism
Grinding ring for setting a degree of grinding
Start/Stop button
Rotary knob for selection of cups
Contact switch
Accessories
10 Coffee grounds container

10
General aspects
Dear Customer,
You have made a good choice by buying this professional coffee grinder. You have purchased a highly appreciated quality product. We would like to thank you for buying this machine and wish you a lot of fun with your new coffee grinder.
Information on these operating instructions
These operating instructions provide important information on putting into operation,
safety, intended use and the care of the coffee grinder (hereinafter referred to as "unit"). The operating instructions shall have to be available at the unit at all times.
The instructions have to be read and applied by every person who deals with
- Initial operation,
Operation, - Fault correction and/or
- Or is instructed to clean the unit.
Keep these operating instructions and pass them on to the next owner along with the unit. These operating instructions cannot take into consideration every conceivable use.
For further information or in case of problems which are not dealt with or not dealt with sufficiently in these instructions, please get in touch with Graef customer service or your specialist dealers.
Intended use
This unit is not intended for commercial use. Use the
unit for grinding coffee beans only. Another or any exceeding use shall not be considered intended. This unit is intended for use in a household.
The unit can cause dangers, if is not used as intended.
- Use the unit exclusively as intended.
- Observe the procedures described in these operating instructions.
Claims of any kind caused by damage by unintended use shall be excluded. The risk shall be borne sole by the operator.
Limitation of liability
All technical information, data and notes on the installation, the operation and the care contained in these operating instructions correspond to the last status before printing, and are rendered under consideration of our previous experience and to the best of knowledge. No claims may be derived from the particulars, illustrations and descriptions in these instructions.
The manufacturer shall not assume any liability for damage caused by:
- Non-observation of the instructions
- unintended use
- incorrect repairs
- technical modifications
- Use of unapproved spare parts.
Translations shall be carried out to the best of knowledge. We shall not assume any liability for translation mistakes. The original German text only shall be binding.
Warning messages and symbols
In these operating instructions, the following warning messages, signal words and symbols are used:

WARNING
This signal symbol / word indicates a hazard with average risk level which, if not prevented, may result in death or a severe injury.

VORSICHT
This signal symbol / word indicates a hazard with low risk level which, if not prevented, may results in slight to moderate injury.
HINWEIS
This signal work warns against potential material damage.

This symbol provides additional information on operation.
Unpacking the unit
When unpacking the unit, proceed as follows:
- Remove the unit from the box.
- Remove the packaging parts.
- Remove any stickers on the unit (do not remove the type plate).
Prior to first use
Clean all parts as described in the chapter titled "Cleaning and care".
- Place the coffee bean container on the unit.
- Press the coffee bean container down and turn clockwise (approx. 30 deg.).
- Open the outlet of the coffee bean container by using the sliding closure.
Operation
Setting of degree of grinding
The grain size of the coffee grounds can be varied by means of the different settings of the grinding degree.
Precise data on the grinding degree cannot be given as many different factors play a role, such as type of coffee / bean, room temperature, personal taste, etcetera.
- Select a finer grind setting for Espresso. The grinding degree setting 0-20 is used as a guide value.
- For filter coffee, select a medium grind setting. The recommended value is the 20-60 grind setting.
- Select a coarse grind setting for French Press. Grinding degree setting 60-140 is used as a guide value.
Note:
- The finer the grinding degree, the longer the grinding process.
- In case of a finer grinding degree, the coffee can stick together in the grinding mechanism.
- If the grinding mechanism blocks, cautiously tap on the coffee bean container.
Grinding coffee for filter coffee
- Insert the plug into the socket.
- Fill the coffee bean container with coffee beans.
HINWEIS
Use whole coffee beans only.
- Set requested grinding degree.
-
Select the desire number of cups.
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Set the switch to

- Place the coffee grounds container or coffee filter below the outlet.
- Press the Start/Stop button.
- Switch the unit off.
Grinding coffee directly into the filter holder
- Use the large or the small filter holder retainer as requested.
- Set requested grinding degree.
- Hold the group handle into the group handle bracket.
- Set the switch to
- Press the group handle against the contact switch. The grinding process will start automatically.
- As soon as the filter holder is sufficiently filled, pull it back. The grinding process will stop automatically.
Cleaning
Old coffee remaining in the unit may lead to oxidation. This affects the result of the preparation and an unpleasant and unpalatable taste may develop. The unit should always be in a well-kept condition in order to ensure a perfect result at all times. Depending on the frequency of use, clean the unit at least once a week.
Before cleaning, remove the power plug.
- Use a soft and moist cloth to clean the outer surfaces of the unit. Use a mild detergent in case of heavy soiling.
- Close the outlet of the coffee bean container by using the sliding closure. Turn the coffee bean container anti-clockwise and remove it.
- Place the unused beans in an airtight container so keep the flavour.
- Clean the coffee bean container and the coffee grounds container in warm water using a little washing-up liquid.
- Afterwards, dry the containers well.
Cleaning the grinding mechanism
- Remove the power plug.
- Remove the coffee bean container as described in the chapter titled "Cleaning".
- Turn the grinding ring to the coarsest degree.
- Turn the upper grinding mechanism anti-clockwise and remove it.
- Clean the lower and upper grinding mechanism with the brush enclosed.
- Place the upper grinding mechanism back in again and turn it clockwise until it is tight.
- Place the coffee bean container on the unit again.
- Turn the grinding ring to the requested grinding degree.
Tips
- Precise recommendations for grinding degree settings cannot be provided due to various factors.
Beans / types of beans react differently (oily, old, freshly ground et cetera).
The personal taste plays a role as well.
Choose a finer grinding degree setting for Espresso.
Choose a medium grinding degree setting for filter coffee.
Choose a coarse grinding degree setting for French Press.
Room temperature / air humidity have an effect on the coffee beans.
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The following serves as standard values: When the correct setting of degree of grinding has been made, the coffee grounds start clumping slightly. Smaller to medium-sized balls are formed which spread again when dropping out. The coffee grounds have a fine feel.
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It is very important to find the right grinding degree for preparing coffee (extraction time). In case of a wrong grinding degree, the coffee cannot be extracted in an ideal way and is then either under or over extracted.
- However, there is no "perfect grinding degree". Everyone should find his or her grinding degree according to his or her taste preferences.
- The setting of the grinding degree should also take into consideration the contact pressure and the dosage as well as the roasting degree of the bean used. Some test grinds are necessary here. For this reason the contact pressure and the dosage should be kept constant; the grinding degree should be attuned.
- It may happen that the grinding degree has to be corrected after some time because the quality, the moisture content and the freshness of the bean depends very much on the surroundings. This can be corrected quickly by trying out and adapting the grinding degree and/or contact pressure if the Espresso runs into the cup too quickly or too slowly, for example.
After-sales service
If your unit is defective, please contact your specialist dealer or the Graef customer service on +49 2932 9703688 or write
an e-mail to us at service@graef.de
Disposal
Disposal of the packaging

The packaging protects the unit against transport damage. The packaging materials are selected according to the environmental compatibility and disposal-related aspects and can therefore be recycled. The return of packaging into the material cycle saves raw material and reduces the
waste volume. Dispos of the packaging material no longer needed at collection points for the "Green Dot" recycling system (in Germany).

If possible, keep the original packaging during the guarantee period of the unit in order to be able to pack the unit correctly in case of guarantee.
Disposal of the unit

At the end of its service life, this product cannot be disposed of in normal domestic waste. The symbol on the product and in the operating instructions point out to this fact. Reuse the materials according to their marking. With the reuse, recycling or other forms of recycling of old equipment, you make an important contribution to the protection of our environment. Please ask your municipal administration for the dis
posal point.
Warranty
For this product, we assume 24 months manufacturer warranty for defects, which are due to production or material defects. Your legal warranty claim in conformity with Section 439 et seq. of the German Civil Code (BGB) shall remain unaffected by this regulation. The guarantee does not cover any damage which is caused by incorrect handling or use as well as defects which only slightly influence the function or the value of the unit. We do not assume any liability for damage caused by lack of or insufficient maintenance. In this case, the warranty will become null and void as well. Moreover, transport damage provided we are not responsible shall be excluded from the claims under guarantee. Guarantee shall be ruled out for damage, the repair of which has not been carried out by us or one of our representations. In case of justified complaints, we shall repair the defective product or replace it by a product without defects at our discretion.
Table des matieres
Sécurité 26
Chere cliente, cher client,