Magnum 232735, Repair And Parts Manual

Page: 18 / 40

Advanced Troubleshooting
18 309226M
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 electrical cord is
damaged.
1. Unplug sprayer electrical cord.
2. Disconnect black electrical cord wire at
power switch.
3. Unplug in-line connection white cord wire.
4. Plug in electrical cord.
5. Test voltage between black and white
wires. Meter must read 85 to 130V AC.
6. Replace electrical cord if no voltage.
Sprayer power switch
damaged.
1. Unplug sprayer electrical cord.
2. Disconnect black control board wire at
power switch.
3. Check resistance of switch with ohmmeter.
4. Reading must be infinity with power switch
OFF.
5. Reading must be zero with power switch
ON.
6. Replace power switch if damaged.
Also see Basic Electrical Problems and Sprayer Wiring Problems , page 16.
Specific Problem Cause Solution
General Problem: Erratic Motor Operation
Specific Problem Cause Solution
Sprayer quits after running for
5 to 10 minutes Electrical outlet is damaged Reset building circuit breaker or replace building
fuse.
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 , page 16.
Motor is overheating See Motor is Hot, page 14.
Motor is hot and runs
intermittently. See Basic Troubleshooting , page 12.