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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
Problem
Possible causes
What to do
F1-F6
Temperature sensor failure
Please contact the supplier.
F9-FA
Temperature sensor of the IGBT failure.
Please contact the supplier.
FC
The connection between the display
board and the main board is fail
Please contact the supplier.
E1/E2
Abnormal supply voltage
Please inspect whether power
supply is normal.
Power on after the power
supply is normal.
E3/E4
Temperature sensor of the ceramic glass
plate Is high
Please restart after the
induction hob cools down.
E5
Temperature sensor of the IGBT
Is high
Please restart after the
induction hob cools down.
Specific Failure & Solution
Failure
Problem
Solution A
Solution B
The LED does not
come on when unit is
plugged in.
No power supplied.
Check to see if plug is
secured tightly in outlet
and that outlet is
working.
The accessorial power
board and the display
board connected failure.
Check the connection.
The accessorial power
board is damaged.
Replace the accessorial
power board.
The display board is
damaged.
Replace the display
board.
Some buttons can‟t work,
or the LED display is not
normal.
The display board is
damaged.
Replace the display
board.
The Cooking Mode
Indicator comes on, but
heating does not start.
High temperature of the
hob.
Ambient temperature
may be too high. Air
Intake or Air Vent may be
blocked.
There is something
wrong with the fan.
Check whether the fan
runs
smoothly
；
if not , replace the fan.
The power board is
damaged.
Replace the power board.
Heating stops suddenly
during operation and the
display flashes “u”.
Pan Type is wrong.
Use the proper pot (refer
to the instruction
manual.)
Pan detection
circuit is damaged,
replace the power
board.
Pot diameter is too
small.
Cooker has overheated; Unit is overheated. Wait
for temperature to return
to normal.
Push “ON/OFF” button to
restart unit.
Heating zones of the same The power board and
Check the connection.
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