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Always remove the electrical plug from the outlet prior to conducting
maintenance or cleaning work on the grinder. Also, prior to removing
the hopper, the plug must be removed from the electrical outlet.
Never operate a grinder with a damaged electrical cord. Inspect the
grinder regularly for damages of the electrical cord, plug, etc.
Any required repairs may only be conducted by authorized service
personnel. For this reason, please contact a customer service repair
facility, your dealer or us directly as the manufacturer.
Do not exceed the maximum allowable continuous grinding time of 20
min. Afterwards, allow the grinder to cool off before the next opera-
tion.
Do not make any modifications or alterations to the grinder. The manu-
facturer assumes absolutely no liability for damages occurring from
failure to observe these instructions.
Children can not appreciate the dangers that can exist in the operation
of electrical grinders. For this reason, never leave children unsuper-
vised with electronic appliances such as this grinder.
Never submerge the grinder in water and never op-
erate with wet hands.
1. Safety
Please read carefully and observe the following
safety instructions. Failure to do so can result in
damage to the grinder and danger to the user.
1.1 Symbols
The following two symbols are used in these operating instructions:
Safety Instruction:
Imminent accident danger if you fail to observe.
General Instruction:
Failure to observe can result in damage to the grind-
er and optimum operation cannot be guaranteed.
1.2 Safety Instructions
Only whole roasted coffee beans may be ground in the KE 640.
When unpacking please inspect whether the power supply (voltage)
complies with the grinder voltage on the manufacturer’s name plate
on the bottom of the grinder. Never operate the grinder in damp or wet
surroundings.