Haier HWD1000 User Manual page 16

HWD1000 Error Code Chart Part 2
Note
Error
Number
Inspect the pressure tube from the tub to the pressure sensor looking
Err 13
for kinks or leaks. Inspect the electrical connections from pressure
E22 Check the electrical connections at the Main PCB
Err 31 Verify the connections and operation of the Main Drum Motor
EC 3 Check the electrical connections from the Main PCB to the drive motor
Verify the continuity of the dryer heater, dryer fuse and thermal cutout.
EC 4
Open the dryer housing and verify there is NOT a lint buildup.
EC5 Verify the connections and operation of the dryer temp thermistor
U02 Verify the connections and operation of the door latch
U03
U04 Verify the connections and operation of the door latch
This chart assumes all operation issues have already been attempted
Repair Scenario
sensor to the Main PCB
Check the drum for an unbalance condition
Parts Recommendation
Pressure sensor
Main PCB
Main PCB
Motor Control PCB
Dryer Heater
Dryer Thermistor
Door Latch
N/A
Door Latch
16