Haier HA2MTSJ68MC Manuel D'instructions page 26

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 High temperature of the Ambient temperature
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" .
Fan motor sounds
abnormal.
The above are the judgment and inspection of common failures.
Please do not disassemble the unit by yourself to avoid any dangers and damages to the induction hob.
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.
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; Unit is overheated. Wait
The power board and
the display board
connected failure;
The display board of
communicate part is
damaged.
The Main board is
damaged.
The fan motor is
damaged.
25
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.
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.)
for temperature to return
to normal.
Push "ON/OFF" button to
restart unit.
Check the connection.
Replace the display
board.
Replace the power board.
Replace the fan.
Solution B
Pan detection
circuit is
damaged,
replace the
power board.