20
Troubleshooting
The induction hob is equipped with a self diagnostic function. With this test the technician is able
to check the function of several components without disassembling or dismounting the hob from
the working surface.
Troubleshooting
1) Failure code occuring during customer use & solution;
Failure code
Problem
Solution
No Auto-Recovery
E1
Ceramic plate temperature
sensor failure--open circuit.
Check the connection or
replace the ceramic plate
temperature sensor.
E2
Ceramic plate temperature
sensor failure--short circuit.
Eb
Ceramic plate temperature
sensor failure.
E3
High temperature of ceramic
plate sensor.
Wait for the temperature of
ceramic plate return to normal.
Touch “ON/OFF” button to
restart unit.
E4
Temperature sensor of the
IGBT failure -- open circuit.
Replace the power board.
E5
Temperature sensor of the
IGBT failure -- short circuit
E6
High temperature of IGBT.
Wait for the temperature of
IGBT return to normal.
Touch “ON/OFF” button to
restart unit.
Check whether the fan runs
smoothly; if not, replace the
fan.
E7
Supply voltage is below the
rated voltage.
Please inspect whether power
supply is normal.
Power on after the power
supply is normal.
E8
Supply voltage is above the
rated voltage.
U1
Communication error.
Reinsert the connection
between the display board and
the power board.
Replace the power board or
the display board.
