Too Much Noise In Drying; The Lamp Is Not Bright When Open The Door - Haier HLTD500ACW Service Manual

SERVICE MANUL
Model No.HLTD500ACW
9-2-6. Too much abnormal noise in drying
Troubleshooting:
Switch on the power, push down the
start button.
Search the root of the noise.
Check if the noise from the tensive arm
unit or the belt?
N
Check if some screw become flexible?
N
Check if is there grating between the
impeller and the worm shell?
N
Check if the drum touch something?
Check if the frictional slice and the wool
felt is well?

9-2-7. The lamp is not bright when open the door

Check if the Power PCB and Display PCB
is electrified or the program is runing?
Y
Check if the lamp is broken? You can
replace it to check or measure.
N
Check if the wire connecting of the lamp
and PCB is disconnection?
N
?
Check if the Door switch is good
You can replace it or use ohmmeter,when
the door is open, you can use ohmmeter
to measure just as the picture show.
Well:the resistence is infinite;
Well
Check if the Power PCB and Display PCB
is good.
Well
Check if the wire unit is good
Y
Y
Y
Y
Y
N
Y
Y
****
Broken
com
Broken
N
- 27 -
Issue
Rev.
Reinstall the tensive arm
unit or replace the tensive
arm unit and the belt.
Fasten the screw
Replace the worm shell
Reinstall them and let the
drum can 't touch anything
Replace the broken part.
Electrifying the PCB
Replace the lamp.
Connect the wire properly
Replace the door switch
Replace the Power PCB or Display PCB
Replace the wire unit
.