Haier HW70-1401S-F Service Manual page 23

SERVICE MANUAL
HW70-1401
Troubleshooting:
Check the motor
Y
Measure if the resistance of motor
binding by multimeter, is it as followed?
[1.78±8%Ω (at 20 C)]
5 -10
8 -9[1.90±8%Ω (at 20 C)]
;
Y
Pull out the wire connection of motor
and driving computer board. Then
check if circuit is open by multimeter
Error message. Motor overheat protection or is damaged.
Troubleshooting:
Cut off power and check if motor wires
are connected well
Y
Measure if the resistance of motor
binding by multimeter, is it as followed?
[1.78±8%Ω (at 20 C)]
5 -10
8 -9[1.90±8%Ω (at 20 C)]
;
Y
Pull out the wire connection of motor
and driving computer board. Then
check if circuit is open by multimeter
Error message. Water level exceeds protection value.
Troubleshooting:
pipe connected to the
Check if the
water level sensor is folded.
N
N
;
;
Y
N
;
;
Y
Y
Front Load Washing Machine
Reconnect well
N
Put the motor in normal temperature
about ten minutes, and then test
again. If the resistance is natural, it
is caused by overheated protection.
Then
overload, abnormal voltage. If not,
please replace motor
Repair wires
Reconnect well
N
Put the motor in normal temperature
about ten minutes, and then test
again. If the resistance is natural, it
is caused by overheated protection.
Then
overload, abnormal voltage. If not,
please replace motor
Repair wires
Unfold the
to the water level sensor
check and deal with
check and deal with
pipe connected