failure--open circuit. (F4 for 1#,F7
for2#)
F5/F8
Ceramic plate temperature sensor
failure—invalid . (F5 for 1#,F8 for2#)
F9/FA
Temperature sensor of the IGBT failure.
（
short circuit/open circuit for 1#
）
Replace the power board.
FC /FD
Temperature sensor of the IGBT failure.
（
short circuit/open circuit for 2#
）
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 to normal.
Push “ON/OFF” button
to restart unit.
Heating zones of the
same side ( Such as the
first and the second
zone ) would display “u” .
The power board and
the display board
connected failure;
Check the connection.
The display board of
communicate part is
damaged.
Replace the display
board.
EN-23
