21
E3
Temperature sensor of the IGBT failure
--open circuit.
Replace the power board.
E4
Temperature sensor of the IGBT failure
--short circuit
C2
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.
EL
Supply voltage is below the rated voltage. Please inspect whether power supply is
normal.
Power on after the power supply is normal.
EH
Supply voltage is above the rated voltage.
EU
Communication error.
Reinsert the connection between the
display board and the power board.
Replace the power board or the display
board.
2)
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
