Haier HW-C1270TVE-U 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-C70TVE SERIES
Y
Y
（ See fig 1）
N
Y
N
Y
Y
Y
Y
24
Arrange hose and clean
Replace drain pump
Y
Replace the wire.
N
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
Replace
PCB