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Part # 4520898 (03/31/11)Page 24
Fault Possible Cause Action To Take By Operator Or Operating
Personnel
No heating
Operation indicator light
is OFF (dark)
No mains supply Check the electrical supply (cable plugged
onto the wall socket)
Check preliminary fuses
Control knob is in OFF-position Turn control knob ON
Cooker is defective Ask your supplier for repair service
Unplug the cooker from the mains supply
No heating
Operation indicator
light is ashing (If an
error code is ashing see
section “Malfunction with
error code”)
Pan is too small (bottom diameter less than
4.72” (120mm), only BH/IN and SH/IN)
Use a suitable pan
Pan is not placed in the center of the heating
area (the cooker cannot detect the pan)
Move the pan to the center of the heating area
Unsuitable pan Choose a pan recommended for induction
cooking
Cooker defective Ask your supplier for repair service, unplug the
cooker from the mains supply
Poor heating
Operation indicator light
is ON (shining)
Used pan is not appropriate Use a pan recommended for induction cooking
and compare the result with “your” pan
Air-cooling system obstructed Verify that air inlet and air outlet are not
obstructed with objects
Ambient temperature is too high (the cooling
system is not able to keep the cooker in normal
operating conditions )
Verify that no hot air is sucked in by the fan.
Reduce the ambient temperature. The air inlet
temperature must be lower than 104°F /40°C.
One phase is missing (only units with three
phase supply)
Check preliminary fuses
Cooker defective Ask your supplier for repair service, unplug the
cooker from the electrical supply
No reaction to control
knob positions
Control knob defective Ask your supplier for repair serviced, unplug
the cooker from the mains supply
Heating cycle switches o
and on
Within minutes, fan is
active
Air inlet or outlet obstructed or fan dirty Remove objects from air inlet and air outlet
slots, clean the slots
Clean fan
Heating cycle switches o
and on
Within minutes, fan is
never active
Fan defective
Fan control defective
Ask your supplier for repair service
To verify, if the pan is suitable, use a permanent magnet and nd out if it sticks on the bottom of the pan. If not, your pan
is not suitable for induction cooking. Choose a pan which is recommended for induction cooking. Choose pan material
suitable for induction appliances.
The cooling-system (fan) starts to operate when the ambient temperature in the control area exceeds 131°F/55°C. At
heat temperatures higher than 158°F /70°C the controller automatically reduces the power to keep the unit in normal
operating conditions. The cooker runs in a non continuous mode. This mode can be heard.
TROUBLESHOOTING continued
Malfunction Without Error Code