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PROBLEM
NO ELECTRICAL POWER
POWER IS INTERMITTENT TO ONE OR ALL MO-
TORS
PROBLEM
NO VACUUM SUCTION
LOW VACUUM SUCTION
PROBLEM
PUMP MOTOR RUNS BUT NO SPRAY THROUGH
SPRAY TIPS
UNEVEN OR WEAK SPRAY FOR SPRAY TIPS
ERRATIC PRESSURE
TROUBLESHOOTING
ELECTRICAL SYSTEM
1. Defective power cord.
2. House or building circuit breaker tripped
1. Faulty electrical cable.
2. Defective switches.
3. Loose terminal or discolored terminal connections.
VACUUM SYSTEM
1. Drain Valve open.
2. Vacuum lid is not sealed against tank.
3. Loose vacuum hose, vacuum connection
1. Accumulated dirt on intake filter screen.
2. Worn out vacuum lid gasket.
3. Lint & dirt build-up on wand head.
4. Defective vacuum hose.
5. Loose connection in the vacuum motor.
SOLUTION SYSTEM
1. Clogged spray tips.
2. Clogged solution intake filter screen.
3. Clogged female quick disconnect coupler.
4. Quick disconnects not fully connected
5. Dirty or damaged pump head valves.
6. Defective pump check valve.
7. Crack in pump housing.
8. Lost Prime.
1. Clogged or dirty spray tips.
2. Accumulated dirt on solution intake filter screen.
3. Accumulation of debris inside pump and plumbing.
4. Worn pump bearing (excessive noise).
5. Punctured pump diaphragm.
6. Defective rectifier or motor.
7. Worn nozzles.
8. Priming valve is open. Close Pressure relief/priming
1. Pump check valves defective or dirty
2. Lost prime.
11
SOLUTION
SOLUTION
SOLUTION
valve
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