Noble UH30-E - Common Operational Issues

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07610-004-45-09-D
OBSERVATION POSSIBLE CAUSE REMEDY
Water overow
from bottom of
door.
1. Clogged drain.
2. Machine not level.
3. Excessive inlet pressure.
4. Detergent foaming.
5. Wash or rinse arm end-cap missing.
1. Remove obstruction.
2. Level machine or increase height to the front.
3. Install pressure regulating valve or adjust if one is present.
Ensure ow meets data plate specication.
4. Reduce detergent quantity.
5. Replace.
Wash motor
doesn’t
operate on
wash.
1. Loose or broken wires.
2. Defective "Start" button.
3. Defective motor contactor.
1. Reconnect or replace wires in motor.
2. Adjust button or replace.
3. Replace.
Little or no water
coming through
the rinse
assemblies.
1. Limed-up rinse heads or piping.
2. Low water pressure.
1. Delime rinse heads.
2. Increase pipe size to machine.
Adjust pressure regulating valve.
WARNING! Inspection, testing, and repair of electrical equipment should only be performed by qualied 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
circuit breaker.
!
WARNING
i
TROUBLESHOOTING
TROUBLESHOOTING