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Troubleshooting
14 309674M
ON/OFF switch. See page 22. Be
sure sprayer is unplugged!
Disconnect wires from switch. Check
switch with ohmmeter. Reading must
be infinity with ON/OFF switch OFF,
and zero when switch is ON.
Replace ON/OFF switch. See page
22.
For damaged or pinched wires in
pressure control. See page 26.
Replace damaged parts. See page
26.
Sprayer quits after sprayer operates
for 5 to 10 minutes.
Basic Electric Problems, page 9 of
Troubleshooting.
Perform necessary procedures.
Electrical supply volt meter. Meter
must read:
• 210-255 VAC for 220-240V
models
• 85-130 VAC for 100-120V
models.
If voltage is too high, do not operate
sprayer until corrected.
Tightness of pump packing nut. Over
tightening tightens packings on rod,
restricts pump action, and overloads
motor.
Loosen packing nut. Check for
leaking around throat. Replace pump
packings, if necessary. See pump
manual.
Type of Problem
What to Check
(if check is OK, go to next)
What to Do
(When check is not OK, refer to this
column)