Malfunctions, Warning and Error Messages
36 D30374 11/2023
Description Cause Action
The appliance does not heat any more Mechanical temperature limiter (TB) has
switched off the heating permanently.
■ Allow the appliance to cool down.
■ Reset temperature limiter (TB). To do
this, press the red button on the rear
right of the appliance until you hear a
click.
■ If the alarm persists: Notify customer
service
The appliance does not cool any more or
cools more slowly
The fins on the cooling unit are dirty Clean the fins with a brush or hoover
7.2 Malfunctions, Operating Problems and Unit Errors
Error description Cause of errors Rectifying errors
Displays are dark External power supply was interrupted.
■ Check the power supply
Miniature fuse, appliance fuse or power
module faulty.
■ Notify customer service
Displays do not activate Appliance locked by USER ID.
■ Unlock with USER ID
Appliance is in programme, timer or remote
control mode (“Write” or “Write + Alarm”
mode).
■ Wait for the programme or timer to end
or switch off the remote control
Appearance of displays suddenly changes Appliance is in the “wrong” mode.
■ Press the MENU key to switch to the
operating or menu mode
Error message T:E-3 in the temperature
display
Temperature working sensor faulty.
Monitoring sensor performs the measuring
function.
■ The appliance can continue to be
operated for a short time
■ Notify customer service as soon as
possible
Error message AI E-3 in the temperature
display
Temperature monitoring sensor faulty.
Working sensor performs the measuring
function.
■ The appliance can continue to be
operated for a short time
■ Notify customer service as soon as
possible