Haier HBS800 Service Manual page 22

HBS series Examination &
Failure: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 AC 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
Failure: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
Front Load Washing Machine
T roubleshooting
220-240V
between
220-240V
N
N
N
220-240V
N
N
N
Y
Y
Y
Y
Y
N
Page 21
Model:HBS800/1000TXV
Repair power supply
Press the power switch
Make sure power supply cable assembly is
connected well and then replace power
switch.
Insert the plug well and test
Replace PCB
Open tap or wait for normal water pressure
Reconnect inlet pipe.
Clean filter
Replace electromagnetic valve
Reconnect the wire
Replace PCB