--open circuit.
Temperature sensor of the IGBT failure
E5
--short circuit
E6
High temperature of IGBT.
E7
Supply voltage is below the rated voltage.
E8
Supply voltage is above the rated voltage.
U1
Communication error.
2) Specific Failure & Solution
Failure
The LED does not
come on when unit is
plugged in.
Some buttons can't work,
or the LED display is not
normal.
The Cooking Mode
Indicator comes on, but
heating does not start.
Heating stops suddenly
during operation and the
display flashes "u".
Problem
No power supplied.
The accessorial power
board and the display
board connected failure.
The accessorial power
board is damaged.
The display board is
damaged.
The display board is
damaged.
High temperature of the
hob.
There is something
wrong with the fan.
The power board is
damaged.
Pan Type is wrong.
Pot diameter is too
small.
Cooker has overheated;
20
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.
Please inspect whether power supply is
normal.
Power on after the power supply is normal.
Reinsert the connection between the
display board and the power board.
Replace the power board or the display
board.
Solution A
Check to see if plug is
secured tightly in outlet
and that outlet is
working.
Check the connection.
Replace the accessorial
power board.
Replace the display
board.
Replace the display
board.
Ambient temperature
may be too high. Air
Intake or Air Vent may be
blocked.
Check whether the fan
runs
smoothly;
if not , replace the fan.
Replace the power board.
Use the proper pot (refer
to the instruction
manual.)
Unit is overheated. Wait
for temperature to return
to normal.
Solution B
Pan detection
circuit is damaged,
replace the power
board.