Problem
Basic Electrical
See wiring diagram, page 82
42
What To Check
(If check is OK, go to next check)
1.
Electric supply. Meter must read
105-130 Vac for 110-120 Vac models
and 210-255 Vac for 230 Vac models.
2.
Extension cord. Check extension
cord continuity with volt meter.
3.
Sprayer power supply cord. Inspect
for damage such as broken
insulation or wires.
4.
Fuse. Check replaceable fuse on
control board (next to ON/OFF switch).
5.
Motor leads are securely fastened
and properly connected to control
board.
6.
Motor thermal switch. Yellow motor
leads must have continuity through
thermal switch.
7.
Brush cap missing or loose brush
lead connections. Brush length must
be 1/4 in. (6mm).
8.
Motor armature commutator for burn
spots, gouges and extreme
roughness.
9.
Motor armature for shorts using
armature tester (growler) or perform
spin test, page 73.
10. Pressure control not plugged in
to control board.
What To Do
(When check is not OK, refer to this column)
Reset building circuit breaker, replace building fuses.
Try another outlet.
Replace extension cord. Use shorter extension cord.
Replace power supply cord. See page 79.
Replace fuse after completing motor inspection.
See page 81.
Replace loose terminals; crimp to leads. Be sure
terminals are firmly connected.
Clean circuit board terminals. Securely reconnect leads.
Replace Motor, page 79.
Replace Motor, page 79.
Replace Motor, page 79.
Replace Motor, page 79.
Insert pressure control connector into control board.
Basic Troubleshooting
313860A