Operation
3.5.Trouble Shooting
PROBLEM
LIKELY CAUSE
SOLUTION
Bad motor or capacitor | |
motor inoperative | Faulty contactor |
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Machine inoperative | Fuse is burned out |
| Table limit switch |
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| Defective door reed switch |
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| Defective start reed switch |
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| Defective auto/manual switch |
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| Defective 60 Sec. Timer |
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Machine runs continuously | Defective 60 Sec. Timer or settings |
| Contactor stuck |
Heater (no heat) | Float switch |
| Defective thermostat or setting |
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| Defective heater contactor |
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| Defective heater |
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| Defective heater switch |
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| Wire connections |
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Racks stuck | Broken rack |
| Tray track alignment |
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Low wash tank | Low incoming water supply |
temperature | |
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| Thermostat setting |
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| Vent hoods |
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| Defective heater |
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| Plugged rinse jets |
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Low rinse water pressure | Pressure regulator out of adjustment |
or no rinse | Water sol. valve coil or diaphragm |
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| Dirty rinse jets |
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| Defective rinse reed switch |
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Chemicals | Dispenser or settings |
| Rinse pressure |
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Machine loosing water | Quick drain on |
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| Sheet pans |
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| Drain valves open |
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Low spray arm pressure | Tank water level low |
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| Clogged jets |
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| Motors connected wrong |
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Replace defective motor Replace contactor Replace fuse
Remove dish rack at switch Replace reed switch Replace reed switch Replace switch
Replace timer
Replace timer or change settings Replace contactor
Check
Replace switch Check and correct Replace rack Adjust properly Check hot water supply
Adjust thermostat
Close vents as much as possible Replace heater
Remove and clean Adjust pressure regulator Replace or clean Remove and clean jets Replace reed switch
Check dispenser troubleshooting guide Set 20 psi.
Plumb quick drain back into
Use CMA sheet pan rack Close completely
Check rinse pressure, drain valve open Clean jets
Connect motors to reverse impeller direction
MODEL | Page 20 |