Jackson TEMPSTAR Series Installation, Operation & Service Manual page 27

Upright door dishmachines
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PROBLEM
POSSIBLE CAUSE
Wash water is not
Faulty wash heater.
reaching required
temperature.
Misadjusted/faulty thermostat(s).
Wash thermometer is defective.
Doors will not close
Improper spring tension.
completely.
Obstruction in door channel.
Doors are not square with frame.
Water leaks at the
Wash pump seal defective.
wash pump.
Petcock or pump drain (if
equipped) not shut/tight.
Loose hoses (hose clamps) on the
wash pump.
Will not rinse during
Defective rinse solenoid.
autocycle.
Faulty fill microswitch.
No water to the machine.
Dishes are not
Machine temperatures are not up
coming clean.
to the minimum requirements.
No detergent/too much detergent.
Solid dispenser canister is empty.
REMEDY
Check element for continuity; if open, replace heater.
Verify operation and setting of thermostats; replace if necessary.
Replace thermometer.
Adjust spring tension as required by loosening (not removing) spring bolt
nuts and adjusting the tension. Tighten nuts back when done.
Remove the obstruction.
Adjust the frame to accommodate the doors.
Replace the seal.
Close or tighten.
Tighten the hose clamps.
Repair or replace the rinse solenoid as required.
Replace microswitch.
Verify that there is water at 20±5 PSI connected to the machine.
Verify that incoming water, rinse water and wash water match the required
temperatures as listed on the machine data plate.
Adjust detergent concentration as required for the amount of water held
by the machine.
Replace the canister.
21
TROUBLESHOOTING

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