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Problem
Sprayer Wiring Problems
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.
3A1943B
Cause
Sprayer electrical cord damaged.
Sprayer power switch damaged.
Motor thermal overload cutoff
switch.
Startup Hazard After Thermal
Overload, page 6.
Terminals are damaged or loose.
Solution
Unplug sprayer electrical cord.
Disconnect black electrical cord wire from filter.
Unplug in-line connection white cord wire.
Plug in electrical cord.
Test voltage between black and white wires. Meter must
read 220 to 240V AC.
Replace electrical cord if no voltage.
1.
Unplug sprayer electrical cord.
2.
Disconnect black control board wire at power
switch.
3.
Unplug in-line connection white cord wire.
4.
Plug in electrical cord.
5.
Turn power switch ON.
6.
Test voltage between open terminal of power
switch and white electrical cord wire. Meter must
read 220 to 240V AC.
7.
Replace power switch if no voltage.
1.
Unplug sprayer electrical cord.
2.
Remove motor harness from control card.
3.
Check for continuity between yellow leads or motor
harness.
4.
If thermal relief switch is open (no continuity) allow
motor to cool.
5.
If switch remains open after motor cools, replace
motor using Motor Kit, page 16.
6.
If thermal relief switch closes after motor cools, find
correct cause of overheating.
Replace any damaged terminals. Make sure all terminal
connections are tight.
Troubleshooting
15
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