Advanced Troubleshooting
332697C
23
Circuit Breaker is Tripping
Specific Problem
Cause
Solution
Building circuit breaker opens
as soon as sprayer is turned
on.
NOTE:
Remove enclosure
mounting screws and pull
enclosure away from drive
housing. Take care not to pull
on leads from electrical cord
and power switch.
Sprayer electrical wiring is
pinched or insulation is
damaged.
Repair or replace any damaged wiring or
terminals. Securely reconnect wires.
Wires between pressure
control switch and control
board are pinched.
Motor armature is shorting.
Check for shorts. See
Motor Diagnostics
, page
27. If shorts are evident, replace motor using
Motor Kit
.
See
List of Kits
, page 30.
Control board is damaged.
CAUTION:
Do not perform
control board diagnostics until
you have determined the
armature is good. A bad motor
armature can burn out a good
motor control board.
See
Control Board Diagnostics
, page 29.
Replace control board if damaged using
Control
Board Kit
.
See List of Kits
, page 30.
Building circuit breaker opens
as soon as sprayer is plugged
into outlet and sprayer is NOT
turned on.
NOTE:
Remove enclosure
mounting screws and pull
enclosure away from drive
housing. Take care not to pull
on leads from electrical cord
and power switch.
Sprayer power cord damaged. 1. Unplug sprayer power cord.
2. Disconnect brown and blue power cord wires
from EMI filter.
3. Plug in power cord.
4. Test voltage between brown and blue wires of
power cord. Meter must read 224-240 VAC.
5. Replace power cord if no voltage.
Sprayer power switch
damaged.
1. Unplug sprayer power cord.
2. Disconnect both wires from power switch.
3. Check for continuity between switch
terminals.
4. Toggle switch ON and OFF. There should be
continuity in the ON position only.
5. Replace power switch if no continuity in ON
position.
