Troubleshooting
36 3A9095C
Motor
Symptom: Unit doesn’t run, runs rough, or
is noisy.
1. Turn sprayer OFF and unplug the power
cord.
2. Remove the top sprayer shroud.
3. Remove pump.
4. Remove the control board.
5. Motor should spin freely with no binding
or excessive cogging. If motor binds or
requires excessive force to spin, replace
motor.
6. With multimeter, measure the
resistance between the following
phases:
a. A to B
b. B to C
c. A to C
7. Resistance values should be equal. If
resistance values are significantly
different from one another (>0.5 Ω),
replace motor.
8. Install pump.
9. Install control board.
10. Install top sprayer shroud.
To avoid injury from electrical shock when
covers are removed, wait five minutes
after disconnecting power cord for stored
electricity to dissipate.
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