Haier HW-D1470TVE ME Service Manual page 25

Front Load Washing Machine
Check if hose connecting cylinder to pump is
bent or jammed
N
Turn on power and choose spin program to start.
Measure if import voltage of drain pump is
220-240V
N
Cut off and check if the connection between
drain pump and computer board is open
N
Turn on and choose spin program to
start. Measure if export voltage of PCB to
drain pump is 220-240V
Failure :abnormal noise and vibration
Troubleshooting:
Is the pack screws dismantled?
Y
Is there foreign material in the washer?
N
Is washer in balance?
Y
Is belt loose or worn?
N
Are the screws of counterweight and
motor loose?
N
Remove belt and turn belt pulley by
hand, and then check if there is different
N
Turn on power and set spin program,
then start check if there is different noise
from motor
Model:HW-D70TVE SERIES
Y
Y
Y
See fig 1
N
N
Y
N
Y
Y
Y
Y
24
Arrange hose and clean
Replace drain pump
Replace the wire.
Replace
PCB
Dismantle the screws
Clean
Adjust adjustable feet
Replace it
Fasten them
Dismantle triangle and check
the bearing .If it is
broken, replace it.
Replace motor