Electrolux EWF1070M - 9-2-1. Display nothing; 9-2-2. No water inletting

SERVICE MANUL
EWF1070M
EWF1070W
Washing Machine
２６
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
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