Haier HAMTSJ54MB1 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 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.
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;
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.
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.
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.