8.
Failure Display and Inspection
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
For zone 1 & 2
For zone 3 & 4
1)
Failure code occur during customer using & Solution;
Failure code
Problem
Solution
Auto-Recovery
EL
Supply voltage is above the rated
voltage.
Please inspect whether power supply is
normal.
Power on after the power supply is
normal.
EH
Supply voltage is below the rated
voltage.
C1,C3
High temperature of ceramic plate
sensor .
Wait for the temperature of ceramic
plate return to normal.
Touch
“ON/OFF” button to restart unit.
C2
High temperature of IGBT .
（
1#
）
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.
No Auto-Recovery
E2
Ceramic plate temperature sensor
failure- -short circuit.
Check the connection or replace the
ceramic plate temperature sensor.
E1
Ceramic plate temperature sensor
failure--open circuit.
E7
Ceramic plate temperature sensor
failure
—
invalid .
E4
Temperature sensor of the IGBT failure -
short circuit .
Replace the power board.
E3
Temperature sensor of the IGBT failure -
open circuit.
Problem
Possible causes
What to do
E1,E2,E7,C1
Temperature sensor failure
Please contact the supplier.
E3,E4
Temperature sensor of the IGBT failure.
Please contact the supplier.
EU
The connection between the display
board and the main board is fail
Please contact the supplier.
EL,EH
Abnormal supply voltage
Please inspect whether power
supply is normal.
Power on after the power
supply is normal.
C3
Temperature sensor of the ceramic glass
plate Is high
Please restart after the
induction hob cools down.
C2
Temperature sensor of the IGBT
Is high
Please restart after the
induction hob cools down.
ENGLISH
24
Summary of Contents for HAMTSJ54MB1
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