Examination & Troubleshooting; Display Nothing; No Water Inletting - Haier HW80-B1486 Service Manual

SERVICE MANUL
HW80-B1486/HW80-B1286
7-3. Examination & Troubleshooting

7-3-1. Display nothing

Troubleshooting:
Measure the power supply ,is it exists
220V-240V AC voltage ?
Y
Is power switch on?
Y
Press power switch and check the
voltage between L port and N port of
the filter. Is there 220-240V AC
voltage?
Y
Cut off power and check if plugs are
connected well by pulling the plug of
PCB.
Y
Check if PCB exists 220V-240V AC
voltage at the import pin

7-3-2. No water inletting

Troubleshooting:
Is the tap shut off or the water pressure
too low?
N
Check if water is leaking from washer
connection, especially between inlet pipe
and tap. to make sure of no bends.
N
Check if filter of electromagnetic valve
is jammed
N
Choose pre-wash program and start,
Check if there is 220-240V at import
pin of electromagnetic valve
N
Is there open circuit
electromagnetic valve and PCB?
N
Choose pre-wash program and start,
then check if there is 220-240V at
export pin of electromagnetic valve
N
N
between
Y
Haier Front Load Washing Machine
Repair power supply
N
Press the power switch
N
The filter is broken, replace the filter
Insert the plug well and test
N
Replace PCB
Open tap or wait for normal water
Y
pressure
Reconnect inlet pipe.
Y
Clean filter
Y
Replace electromagnetic valve
Y
Reconnect the wire
Replace PCB
N
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