Haier HW-D1270TVE ME, Service Manual

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SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
２５
9-2. Examination & Troubleshooting
9-2-1. Display nothing
Troubleshooting:
9-2-2. No water inletting
Troubleshooting:
Measure the power supply ,is it exists
220V-240V AC voltage
？
Y
Repair power supply
N
Press the power switch
Is power switch on?
Y
N
N
Press power switch and check the
voltage between two pins of power
switch. Is there 220-240V AC voltage
between blue wire and brown wire?
N
Make sure power supply cable
assembly is connected well and then
replace power switch.
Y
Check if power plug exists 220V-240V AC
voltage at the import pin
Insert the plug well and test
Cut off power and check if plugs are
connected well by pulling the plug of
computer board.
N
Y
Replace PCB
Y
N
Is the tap shut off or the water pressure
too low?
Y
Open tap or wait for normal water
pressure
N
Check if water is leaking from washer
connection, especially between inlet pipe
and tap. to make sure of no bends.
Reconnect inlet pipe.
N
Check if filter of electromagnetic valve is
jammed
Clean filter
Y
Y
Choose pre-wash program and start
，
Check if there is 220-240V at import pin
of electromagnetic valve
Y
Replace electromagnetic valve
N