Haier HW-D1270TVE ME, Service Manual

Page: 23 / 28

SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
２３
Error message. Motor overheat protection or is damaged.
Troubleshooting:
Error message. Water level exceeds protection value.
Troubleshooting:
Replace PCB
N
Check the import voltage between M1
wind and M2 wind, is it between AC
220-240V?
Y
Cut off power and check if motor wires
are connected well
Reconnect well
N
Y
Measure if resistance of motor winding by
multimeter,is it as followed?
the resistance between M5and M10 is
1.67~1.85
Ω. the resistance between M8and
M9 is 1.69~1.87
Ω.
N
Put the motor in nomal temperature
about ten minutes,and then test
again.If the resistance is natural, it
is
caused by overheated
protection.Then check and deal with
overload,abnormal
voltage.If
not,please replace motor
Pull out the wire connection of motor and
computer board.Then check if circuit is
open by multimeter
Y
Turn on power and set spin mode,then
start.Check the import voltage
between red wire and red wires, is
it between 220-240V?
N
Replace PCB
Y
Repair wires
N
Check if water switch hose and air
collector are jammed
Clean water switch hose and air
collector
Y