Hw70-1202D Hw60-1202D; Examination & Troubleshooting; Display Nothing; No Water Inletting - Haier HW70-1202D Service Manual

SERVICE MANUAL

HW70-1202D HW60-1202D

HW60-1002D HW50-1202D
10-2. Examination & Troubleshooting

10-2-1. 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 two pins of power
switch. Is there 220-240V
voltage?
Y
Cut off power and check if plugs are
connected well by pulling the plug of
PCB.
Y
Check if power plug exists 220V-240V
AC voltage at the import pin

10-2-2. 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
AC
between
Y
Front Load Washing Machine
Repair power supply
N
Press the power switch
N
Make
assembly is connected well and then
N
replace power switch.
Insert the plug well and test
N
Replace PCB
N
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
sure power supply cable