Washer Motor - GE GTUP270EMWW Technical Service Manual

4. Lift the rod through the support cup and rotate
the rod to align with the open slot in the cup.
Lower the suspension rod through the slot.
Open Slot
5. Slide the dampening strap over the top of the
strap bearing and off the suspension rod.
Strap Bearing
Dampening Strap

Washer Motor

The washer motor is a variable-speed reversible
motor. 120 VAC line power is supplied by the
main board on J7 pin 2. Neutral is switched for
both clockwise (CW) and counterclockwise (CCW)
windings from J1 pins 1 and 2. The motor has an
internal Hall sensor that reports rpm information
back to the control. Rpm feedback is a digital signal
of 10 VDC on J5 pins 1 and 2.
The speed sensor in the motor operates on a 10
VDC signal from the control board. The control
board reads the pulses from the motor to determine
proper operation. This signal cannot be read with a
conventional multimeter while operating. A faulty
speed sensor circuit will generate a diagnostic error
code. (See
Washer Service Mode
sensor, disconnect the sensor harness from the
control and read AC millivolts on the sensor harness
while rotating the spin basket counterclockwise
(CCW).
• In wash mode, after the water valve turns off,
it is normal for the motor to operate in a short
stroke pattern before the regular agitation cycle
begins. The motor will then run in both clockwise
(CW) and counterclockwise (CCW) rotation to
provide 180 degrees of agitator arc.
• In the spin/rinse mode, the motor runs only in
counterclockwise (CCW) rotation. At spin startup,
it is normal for the motor to pulse a couple of
times in each direction – this assures the shifter
gear is set for spin. A clunking noise is normal
during this startup routine.
• In spin mode, the control will perform 2 ramp-
ups in speed to 290 rpm and then turn the
motor off until 0 rpm is reached. The control will
then energize the motor for full spin.
• Final Spin speed is 670 rpm for 27-in. models
and 710 rpm for 24-in. models.
– 45 –
.) To test the speed
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