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Noble HT-180EC - Page 24

Noble HT-180EC
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19
07610-004-92-22-A
TROUBLESHOOTING
TROUBLESHOOTING
OBSERVATION POSSIBLE CAUSE REMEDY
Machine doesn’t
drain.
1. Drain clogged.
2. Standpipe not removed before
draining.
1. Remove obstruction.
2. Remove standpipe.
Incorrect water
pressure displayed
during Fill or Rinse
modes.
1. Water turned o󰀨. 1. Turn water on.
Wash water is not
reaching required
temperature.
1. Faulty wash heater.
2. Misadjusted thermostat.
3. Wash probe is defective.
1. Check element for continuity; if open, replace the heater.
2. Verify operation and setting of thermostats.
3. Replace probe.
Door will not close
completely.
1. Improper spring tension.
2. Obstruction in door channel.
3. Door panels are not square with
frame.
1. Adjust spring tension as required by loosening (not
removing) spring bolt nuts and adjusting the tension.
Tighten nuts back when done.
2. Remove the obstruction.
3. Adjust the frame to accommodate the door panels.
Water leaks at the
wash pump.
1. Wash pump seal defective.
2. Plug not shut/tight.
3. Loose hoses (hose clamps) on
the wash pump.
1. Replace the seal.
2. Close or tighten.
3. Tighten the hose clamps.
Will not rinse during
autocycle.
1. Defective rinse solenoid.
2. No water to the machine.
1. Repair or replace the rinse solenoid as required.
2. Verify there is water at 10 ± 2 PSI connected to the
machine.
Dishes are not
coming clean.
1. Machine temperatures are not up
to the minimum requirements.
2. No detergent/too much
detergent.
1. Verify incoming water, rinse water, and wash water
match the required temperatures as listed on the
machine data plate.
2. Adjust detergent concentration as required for the
amount of water held by the machine.
WARNING! Inspection, testing, and repair of electrical equipment should only be performed by a
qualied service technician. Many of the tests require that the machine have power to it and live
electrical components be exposed. USE EXTREME CAUTION WHEN TESTING THE MACHINE.
!
WARNING

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