The rolling ring should be cleaned regularly to prevent excessive noise development or
a rotational malfunctions.
The rolling ring can be washed in a mild soapy solution or in the dishwasher. Please
remember to put the rolling ring back again properly after cleaning it.
Wipe the bottom of the oven with a mild cleaning agent. If the floor of the oven is
excessively dirty, you can use a mild cleaning agent.
13 Troubleshooting
This chapter provides you with important notices with regard to operating the device.
Observe the following notices to avoid dangers and damages:
13.1 Safety notices
Attention
► Only qualified electricians, who have been trained by the manufacturer, may carry out
any repairs on electrical equipment.
► Improperly performed repairs can cause considerable dangers for the user and
damages to the device.
13.2 Causes and rectification of faults
The following table assists in localizing and rectifying minor faults.
Error
The selected program
will not start.
The turntable turns
jerkily.
Food is not sufficiently
defrosted, warmed up
or cooked after preset
time has elapsed.
The device functions
but the cooking
chamber lighting does
not work.
caso M20 electronic (pure white)
Possible cause
Device door is not closed
Power plug is not plugged in
Fuse is not activated
Dirt between the turntable and
the base of cooking camber
Dirt on rolling ring
Cooking vessel too large
Incorrectly selected time or
power level
Defective cooking chamber light.
Action
Close device door
Plug in mains plug!
Activate fuse
Remove dirt
Use different cooking vessel
Re-set time and power level
Repeat process
Have Service dept repair
cooking chamber light.
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