General Fault Finding - Prochem TR300 FIVESTAR Safety, Operation & Maintenance Instructions

GENERAL FAULT FINDING GUIDE
CAUTION - Repairs should only be carried out by a QUALIFIED AND FULLY TRAINED PERSON !
PROBLEM
ELECTRICAL SYSTEM
No electrical power
Switch is turned on but power is intermittent to all
motor(s).
VACUUM SYSTEM
No vacuum
Low vacuum
SOLUTION SYSTEM
Pump motor is on but there is no spray
Uneven or weak spray
BRUSH SYSTEM
Motor runs but brush does not turn
Brush motor fails to turn on after circuit breaker has
been reset
Fivestar & Comet Manual 1/7/15
POSSIBLE CAUSE
1. Defective power cable
2. House or building circuit breaker tripped
1. Faulty electrical cable
2. Defective switches
3. Loose terminal or terminal connections
1. Vacuum lid is not sealed against tank
2. Loose vacuum hose or vacuum connection
1. Accumulated dirt on lid screen
2. Worn out vacuum lid gasket
3. Lint & dirt build-up on vacuum nozzle
4. Defective vacuum hose
5. Loose connection in the vacuum motor
1. Solution side of bucket is empty
2. Clogged spray tip
3. Clogged solution tank filter
4. Blocked female quick connector
5. Damaged pump diaphragm
6. Damaged or clogged pump check valve
7. Leak from pump head
1. Partially clogged spray tip
2. Partially clogged solution tank filter
3. Partially clogged pump head or check valve
4. Worn pump bearing (excessive noise)
5. Damaged pump diaphragm
6. Defective motor or rectifier
7. Worn or damaged spray tip
1. Broken drive belt
2. Brush jammed
1. Brush jammed
2. Blown breaker
3. Defective motor
4. Defective switch
5. Loose wiring connection
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