Page 32 Ceramic Hob User Manual
Error Codes and Solutions
Error codes, their probable causes and recommendations for solutions are provided in the chart
below.
WARNING // The chart below is applicable for all models.
Error Code Error Description Potential Cause for
Error
Clearing Error
ER 03 &
continuous
signal
sound
Constant use of
buttons; control unit
is disrupted after 10
seconds.
Water or cooking
utensils on the glass
over the control
unit.
Clean the operating surface
of the stove.
ER 20
Flash fault ^ C error Replace the electronic board.
ER 21
Excessive
temperature
The ambient tem-
perature for elec-
tronics is too high.
Allow the cooking surface
to cool down. Check the
temperature verification of
the control unit.
ER 22
Key evaluation
fault. Control unit
is turned after 3.5 –
7.5 seconds.
Short circuit or
error in detection of
keys.
Replace the electronic board.
ER 31
Configuration data
is incorrect.
--- New configuration is
required.
ER 36
Temperature sensor
error.
Short circuit or
electronic board
turns off.
Replace the electronic board.
ER 40
Power supply is too
low to turn on the
appliance.
Primary PTC is too
hot.
Disconnect the stove from
power supply system.
ER 47
Communication
error between the
electronic board
configuration and
the heaters.
No communication
or faulty
communication.
Make sure that the con-
nection cable is connected
correctly and functionally.
U 400
Incorrect
connection.
Control unit
is connected
incorrectly.
Connect the stove to correct
mains voltage.