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Temperature sensor of the IGBT
failure.
F9/FA
(short circuit/open circuit for #1)
Temperature sensor of the IGBT
failure.
FC /FD
(short circuit/open circuit for #2)
2. Specific failure and solution
Failure
The LED does not
come on when unit is
plugged in.
Some buttons don'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".
Heating zones of the
same side (Such as
the first and the
second zone) would
display "u".
Problem
No power supplied.
The accessorial
power board and the
display board
connected is failure.
The accessorial
power board is
damaged.
The display board is
damaged.
The display board is
damaged.
High temperature of
the cooktop.
There is something
wrong with the fan.
The power board is
damaged.
Pan type is wrong.
Pot diameter is too
small.
Cooker has
overheated.
The power board and
the display board
connected is failure.
The display board of
communicate part is
damaged.
Replace the power board.
Solution A
Check to see if plug
is secured tightly in
the outlet and that
the 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 suitable
cookware.
Unit is overheated.
Wait for temperature
to return to normal.
Push "ON/OFF"
button to restart unit.
Check the
connection.
Replace the display
board.
Replace the power
board.
21
Solution B
Pan detection circuit
is damaged, replace
the power board.
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