TROUBLESHOOTING SECTION
10
WARNING:
Inspection, testing and repair of electrical equipment should be performed only by qualified service personnel. Certain
procedures in this section require electrical tests or measurements while power is applied to the machine.
Exercise
extreme caution at all times.
If test points are not easily accessible, disconnect power, attach test equipment and
reapply power to test. When replacing electrical parts, disconnect power at source circuit breaker.
Possible Cause
Action
Water not turned on.
Turn water on.
Defective solenoid valve.
Replace solenoid valve.
Probes are dirty or coated.
Clean probes.
Defective water level control.
Replace.
Limed up rinse heads or piping.
Delime rinse heads.
Clean out the rinse feed pipes.
Low water pressure.
Increase pipe size to machine.
Adjust pressure regulator.
Defective plunger in solenoid valve.
Replace plunger.
Defective diaphragm in solenoid valve.
Clean holes in diaphragm.
Replace diaphragm.
Timer defective.
Replace timer.
Symptom
Little or no water coming through the rinse
assemblies.
Rinse water runs continuously with breaker
turned off.
Rinse doesn't operate on automatic during
timed cycle (but does operate in auto/fill
operation).
No water comes through the rinse arms
when the "ON/FILL" switch is depressed.
