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Basic Troubleshooting /
基本故障排除
/
기본적인 문제 해결
36 313797C
Basic Electrical
See wiring diagram, page 63
1. Electric supply. Meter must read
105-130 Vac for 110-120 Vac mod
-
els and 210-255 Vac for 230 Vac
models.
Reset building circuit breaker, replace building fuses.
Try another outlet.
2. Extension cord. Check extension
cord continuity with volt meter.
Replace extension cord. Use shorter extension cord.
3. Sprayer power supply cord.
Inspect for damage such as broken
insulation or wires.
Replace power supply cord. See page 60.
4. Fuse. Check replaceable fuse on
control board (next to ON/OFF
switch).
Replace fuse after completing motor inspection.
See page 62.
5. Motor leads are securely fastened
and properly connected to control
board.
Replace loose terminals; crimp to leads.
Be sure terminals are firmly connected.
Clean circuit board terminals. Securely reconnect
leads.
6. Motor thermal switch. Yellow
motor leads must have continuity
through thermal switch.
Replace Motor, page 60.
7. Brush cap missing or loose brush
lead connections. Brush length
must be 1/4 in. (6mm).
Replace Motor, page 60.
8. Motor armature commutator for
burn spots, gouges and extreme
roughness.
Replace Motor, page 60.
9. Motor armature for shorts using
armature tester (growler) or per
-
form spin test, page 54.
Replace Motor, page 60.
10. Pressure control not plugged in
to control board.
Insert pressure control connector into control board.
Problem
What To Check
(If check is OK, go to next check)
What To Do
(When check is not OK, refer to this column)