Haier WQP12-B9227E, Technical & Service Manual

Page: 14 / 38

Inspect heater
1. Remove bottom board.
2. Use the multi-meter Ω shelf to measure resistance
between the two terminals shown in right picture, the
resistance is about 29Ω to 31Ω.
3. If the measured resistance is not correct, it means the
heater coil or the thermostat is broken, we should replace
the heating element or the thermostat.
Heater Theory of parts - >
B ottom View
Access heater
1. Drain off the water in the dishwasher, and disconnect the power supply.
(Note : Make sure to remove remained water in the dishwasher. If not, wet the floor)
2. Remove bottom board.
3. Label and disconnect the terminals to and ground wire.
4. Remove the 2 clamps from the Heating element.
Caution: The clamp is easily damaged during removal and can’t be reused. Replace the old
clamp with a new universal clamp .
5. Reverse the above procedure to install.
Clamps
Ground terminal
Terminals
(measure heater resistance)
terminals
- 14 -