CMA-66 EST-66 Conveyor Dishwasher
Operation
3.5. Trouble Shooting
PROBLEM
LIKELY CAUSE
SOLUTION
Bad motor or capacitor
Faulty contactor
Replace defective motor
Pre-wash/power wash
motor inoperative
Replace contactor
Fuse is burned out
Replace fuse
Machine inoperative
Table limit switch
Remove dish rack at switch
Replace reed switch
Replace reed switch
Replace switch
Defective door reed switch
Defective start reed switch
Defective auto/manual switch
Defective 60 Sec. Timer
Defective 60 Sec. Timer or settings
Contactor stuck
Replace timer
Replace timer or change settings
Replace contactor
Machine runs continuously
Heater (no heat)
Float switch
Check movement-replace it
Replace thermostat or adjust
Replace heater contactor
Replace heater
Defective thermostat or setting
Defective heater contactor
Defective heater
Defective heater switch
Wire connections
Replace switch
Check and correct
Replace rack
Broken rack
Racks stuck
Tray track alignment
Low incoming water supply
(150°F-low temp, 180 °F- high temp)
Thermostat setting
Adjust properly
Check hot water supply
Low wash tank
temperature
Adjust thermostat
Vent hoods
Close vents as much as possible
Replace heater
Defective heater
Plugged rinse jets
Remove and clean
Pressure regulator out of adjustment
Water sol. valve coil or diaphragm
Dirty rinse jets
Adjust pressure regulator
Replace or clean
Low rinse water pressure
or no rinse
Remove and clean jets
Replace reed switch
Check dispenser troubleshooting guide
Set 20 psi.
Defective rinse reed switch
Dispenser or settings
Chemicals
Rinse pressure
Quick drain on pre-wash end
Plumb quick drain back into pre-wash
tank above water line
Machine loosing water
Sheet pans
Use CMA sheet pan rack
Close completely
Drain valves open
Tank water level low
Check rinse pressure, drain valve open
Low spray arm pressure
Clogged jets
Clean jets
Motors connected wrong
Connect motors to reverse impeller
direction
MODEL CMA-66 Installation & Operation Manual Rev. 1.09 B
Page
21
| General | Details |
|---|---|
| Name | CMA-66 EST-66 Conveyor Dishwasher |
| Make | CMA |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.59 MB |
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