Haier HW-C1470TVE-U [23/28] Hw c70tve series examination troubleshooting

Front Load Washing Machine Model:HW-C70TVE SERIES

Error message. Water level exceeds protection value.

Troubleshooting:

HW-C70TVE SERIES Examination & Troubleshooting

Failure:Display nothing

Troubleshooting:

Check if water switch hose and air collector

are jammed

Clean water switch hose and air

collector

Pull out water switch inserts and turn on

power, then set wash mode. While water

is entering at the position of 1/4 glass

window, check the resistance between ①

and ②, is it 0? Check the resistance

between ①and ③, is it infinite?

Replace water pressure switch

Without starting but electrifying, measure the

import voltage of inlet valve, is it between

AC 220-240V?

Replace

computer

board

Without power ,connect inlet pipe to inlet

vavle,then open the tap and observe if water

is entering in dispenser

Replace inlet valve

Measure the power supply ,is it exists

220V-240V AC volta

e？

Repair power supply

Press the power switch

Is power switch on?

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?

Make sure power supply cable assembly is

connected well and then replace power

switch.