Haier HW-D1270TVE ME, Service Manual

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SERVICE MANUAL
HW-D1270TVE/ME
Haier Washing Machine
２２
Y
Error message:Motor speed error .it may be not properly connected or damaged.
Troubleshooting :
N
Turn on power, and set pre-wash mode,
then start. Check the import voltage of
electromagnetic valve by multimeter
, is it between AC 220-240V between the
white wire and red wire that they are not
connected?Voltage is220-240V between
white wire and white wire,between red
wire and red wire
Electromagnetic valve must be broken, please
replace it.
Y
The wire connected PCB and inlet valve is not
properly. Please reconnect it or replace it.
Y
Replace PCB
Check if export voltage from computer
board to electromagnetic valve, is it
between AC 220-240V that voltage
between grown wire and white wire of
PCB ?
N
Cut off power, and check if motor wire is
connected well
N
Connect them well and test.
N
Connect them properly and test.
Check if the wire of motor is connected
well with computer board.
Y
Y
Replace the motor.
N
Pull out the motor insert string, and check
the resistance of motor speed
measurer and the winding of the motor,
is it as followed?From up to down,The
order
is
M1.M2.M3.M4.M5.M6.M7.M8.M9.M10
: the resistance between M5and M10 is
1.67~1.85
Ω. the resistance between
M8and M9 is 1.69~1.87
Ω.
Y