CMA Dishmachines CMA-44 manual Trouble Shooting, Operation, Problem, Likely Cause, Solution

Models: CMA-44

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3.5.Trouble Shooting

Operation

3.5.Trouble Shooting

PROBLEM

LIKELY CAUSE

SOLUTION

Pre-wash/power wash

Bad motor or capacitor

motor inoperative

Faulty contactor

 

 

Machine inoperative

Fuse is burned out

 

Table limit switch

 

 

 

Defective door reed switch

 

 

 

Defective start reed switch

 

 

 

Defective auto/manual switch

 

 

 

Defective 60 Sec. Timer

 

 

Machine runs continuously

Defective 60 Sec. Timer or settings

 

Contactor stuck

Heater (no heat)

Float switch

 

Defective thermostat or setting

 

 

 

Defective heater contactor

 

 

 

Defective heater

 

 

 

Defective heater switch

 

 

 

Wire connections

 

 

Racks stuck

Broken rack

 

Tray track alignment

 

 

Low wash tank

Low incoming water supply

temperature

(150°F-low temp, 180 °F- high temp)

 

 

 

Thermostat setting

 

 

 

Vent hoods

 

 

 

Defective heater

 

 

 

Plugged rinse jets

 

 

Low rinse water pressure

Pressure regulator out of adjustment

or no rinse

Water sol. valve coil or diaphragm

 

 

 

Dirty rinse jets

 

 

 

Defective rinse reed switch

 

 

Chemicals

Dispenser or settings

 

Rinse pressure

 

 

Machine loosing water

Quick drain on pre-wash end

 

 

 

Sheet pans

 

 

 

Drain valves open

 

 

Low spray arm pressure

Tank water level low

 

 

 

Clogged jets

 

 

 

Motors connected wrong

 

 

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 movement-replace it Replace thermostat or adjust Replace heater contactor Replace heater

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 pre-wash tank above water line

Use CMA sheet pan rack Close completely

Check rinse pressure, drain valve open Clean jets

Connect motors to reverse impeller direction

MODEL CMA-44 Installation & Operation Manual Rev. 2 .15 10/18/07

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CMA Dishmachines CMA-44 manual Trouble Shooting, Operation, Problem, Likely Cause, Solution