Haier HW50-1010W, Service Manual, Page: 26 / 32

SERVICE MANAUL
HW50-1010W/HW50-1010S
Front Load Washing Machine
２６
Error 8
The start indicator lighted on 0.2s andoff 0.2s for 8 times,repeate 4s later .
Error message. Water level exceeds protection value.
Troubleshooting:
10-2. Examination & Troubleshooting
10-2-1. Display nothing
Troubleshooting:
N
Check if water switch hose and air collector
are jammed
Clean water switch hose and air
collector
N
Pull out water switch inserts and turn on
power, then set wash mode. while water
is entering at the position of 3/4 glass
window, check the resistance between 11
and 16, is it 0 ? Check the resistance
between 11and 14 ,is it infinite?
Replace water pressure switch
Y
Y
Without starting but electrifying, measure
the import voltage of inlet valve, is it
between AC 220-240V?
Replace PCB
Y
N
Without power ,connect inlet pipe to inlet
valve, then open the tap and observe if
water is entering in dispenser
Y
Replace inlet valve
Measure the power supply ,is it exists
220V-240V AC voltage ？
Y
Repair power supply
N
Press the power switch
Check if power plug exists 220V-240V
AC voltage at the import pin
Is power switch on?
Y
N
Insert the plug well and test
N
Press power switch and check the
voltage between two pins of power
switch. Is there 220-240V AC
voltage?
N
Make sure power supply cable
assembly is connected well and then
replace power switch.
Cut off power and check if plugs are
connected well by pulling the plug of
PCB
.
Y
N
Y
Replace PCB