SERVICE MANUL
Model No.HLTD500AGW
Issue
Rev.
- 30 -
9-2. Examination & Troubleshooting
9-2-1. Display nothing
Troubleshooting:
Measure the power supply ,is it exists
120V AC voltage?
Repair power supply
Connect the wire properly
Cut off the power. Check if the power
line and the wire unit connecting is ok.
Replace the broken part
Y
Y
N
N
N
Check if the powerline
the wire unit
and the PCB is good
Connect the wire properly
Check if the wire connecting of the wire
unit and PCB is disconnection
N
Y
9-2-2. The computer is power on and display right,but the dryer no action
Troubleshooting:
Check if the wire connecting of the motor
is ok.
Connect the wire properly
N
Y
Cut off the power .Check if the belt is
break off or the connecting of the
motor
belt switch is loose
Replace the belt or connect the wire
properly
Check if the tensive arm unit is installed
well
Reinstall the tensive wheel unit and try
rotating the tub manually
Check if the belt switch is good.
Well: the resistance is 0
;
Broken: he resistance is infinite
Replace the belt switch
Check if the wire and the PCN is
well
Check if the back-up thermostat is well.
Well: the resistance is 0
;
Broken: he resistance is infinite
Replace the back-up thermostat,
insure that the exhaust system is good
Well
Broken
Y
N
N
Y
Well
Broken