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Advanced Troubleshooting
20 312667B
General Problem: Erratic Motor Operation
Specific Problem Cause Solution
Sprayer quits after running for
5 to 10 minutes
Building circuit is overloaded. Remove other loads from building circuit or find
another circuit that has less load. See Grounding
and Electric Requirements, page 6.
Electrical outlet supplying
wrong voltage.
Try another outlet. Check electric supply with volt
meter. Meter must read 85 to 130V AC. If voltage
is too high, do not use outlet until corrected.
Also see Basic Electrical Problems and Sprayer Wiring Problems, pages 17 - 18.
Motor is overheating.
Warning: See Thermal
Overload, page 6.
After motor cools, operate sprayer and determine
if motor stops when trigger on gun is released. If
sprayer runs continuously, replace Pressure
Control. See List of Kits, page 26.
Relieve pressure and remove motor enclosure.
Turn motor fan by hand to check for binding gears
or seized pump. See List of Kits, page 26.