Instructions

47
noise should decrease or disappear
after decreasing the heat setting.
Noise caused by the fan inside the appliance.
 The cooling-fan the appliance is
equipped with protects the
electronics from being overheated.
It may continue to run even after
you have switched the appliance
off.
 Normal operating condition. Do not
disconnect the appliance from the
mains while the fan is running.
Cookware does not become hot and the relevant symbol is displayed.
 Cookware cannot be detected,
because it is unsuitable, too small
or improperly positioned on the
cooking zone.
 Use suitable cookware which meets
the diameter of the cooking zone.
Place cookware on the centre of the
cooking zone.
The appliance or a cooking zone has been switched off automatically and
unexpectedly, an acoustic signal sounds and an error code is displayed
(typically alternating with one or two digits on the timer-display).
 Technical malfunction.
 Note the complete error-code,
disconnect the appliance from the
mains and contact the aftersales
service.
If the appliance shows a malfunction not noted on the schedule above or if you
have checked all items on the above schedule but the problem still exists, please
contact a service department.
6.1 Error codes
Code
Possible causes
Measures
F3/F4
Temperature sensor of
the induction coil is
defective.
Contact the aftersales
service.
F9/FA
Temperature sensor of
the IGBT*.
Contact the aftersales
service.
E1/E2
Abnormal supply
voltage.
Please inspect whether the
voltage is normal.
Power on after the power
supply is normal.
E3
High temperature of the
induction coil sensor.
Contact the aftersales
service.
E5
High temperature of the
IGBT sensor.
Please restart after the
appliance has cooled down.
*: IGBT = insulated-gate bipolar transistor, a semiconductor device to control the
load power supply.