Replacement Part List
Advanced Troubleshooting 
22 312667K
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 10.
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 19 - 20.
Motor is overheating.
Warning: See Thermal 
Overload, page 10.
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 28.
Relieve pressure and remove motor enclosure. 
Turn motor fan by hand to check for binding gears 
or seized pump. See List of Kits, page 28.










