TROUBLE SHOOTING GUIDE
PROBLEM
Wash Pump leaks
CAUSE
1- Impeller seal is worn (leaks
around shaft)
SOLUTION
1- Remove and inspect pump and motor
assembly, see instruction page on pump
seals and ceramic replacement
2- Pump assembly is not seated to base of
machine (leaks around mounting plate).
2- Replace gasket. Make sure mounting
nuts are tight
Rinse and fill switch is on but water does not
come through rinse tubes
1- Valve in water line is not open
2- Rinse tubes are clogged
1- Check to make sure all valves are open
2- See Preventive Maintenance
3- Strainer in water line is full of scale
3- See Preventive Maintenance
4- Rinse and fill switch faulty
4-
Check rinse and fill switch
5- Electric solenoid diaphram or plunger not
operating
5- Remove diaphram and plunger, flush
and clean. see instruction page on
Solenoid Valves
6- Coil on the solenoid valve is burned out.
6- See #5 above
7- Insufficient or excessive pressure
7- Check flow pressure which should not
exceed 25 PSI or go below 15 PSI
When master switch is on rinse runs
continually
1- Water level control faulty
1- Check instruction page on water level
controls
Machine goes through entire cycle and shuts
off, but rinses throughout the cycle
1- Defective rinse microswitch
1 - Check timer, instruction page
Master switch off, rinse runs continually as
soon as power is applied to machine
1- Master & rinse switch faulty
2- Loose green ground wire from
water level control
1- Replace rinse and/or master switch 2-
Tighten ground wire or see instruction
page on solenoids
Extremely high rinse temperature indication
1 - Thermostat set too high.
1- Adjust thermostat control, see instruction
page on thermostat
2- Thermostat faulty
2- Replace
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Summary of Contents for 100 B/PRB
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