Haier GDG480BW Service Manual - page 23
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Service Manual
Order No. TL1206S003V1.1
Issue
Rev.
9
Chapter 9 Error Display and troubleshooting
9-2. Examination & Troubleshooting
9-2-1. Display nothing
Troubleshooting:
Y
Repair power supply
Connect the wire properly
N
Check if the powerline and the
wire unit is good
Y
Y
well
Replace the belt switch
Check if the wire is well
N
N
N
N
Check if the wire connecting power
line and wire unit disconnection
Y
Connect the wire properly
N
broken
broken
well
Y
Measure the power supply ,is it
exists 120V AC voltage
˛
Cut off the power. Check if the wire
connecting wire unit and PCB is
disconnection
Replace the powerline and
the wire unit
9-2-2. The computer is power on and display right
ˈbut the dryer no action
Troubleshooting:
Cut off the power .Check if the belt
is break off or the connecting of the
motor
ǃbelt 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 0Ω;
Broken: he resistance is infinite
Check if the back-up thermostat is
well. Well: the resistance is 0Ω;
Broken: he resistance is infinite
Replace the back-up thermostat ,
insure that the exhaust system is
good
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Y
Replace the PCB
Y
Replace the PCB
N
Replace the wire unit