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-66 Installation & Operation Manual Rev. 1.09

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CMA Dishmachines CMA-66 manual Trouble Shooting, Problem Likely Cause Solution

CMA-66 specifications

The CMA Dishmachines CMA-66 is a cutting-edge commercial dishwasher designed to meet the rigorous demands of busy kitchens in restaurants, catering facilities, and other food service operations. This machine is particularly renowned for its robust construction, innovative technology, and efficient performance, making it a top choice among commercial dishwashing options.

One of the main features of the CMA-66 is its impressive capacity. The machine can process up to 66 racks per hour, allowing high-volume kitchens to maintain a steady workflow without delays. This efficiency is crucial in fast-paced environments, where time is of the essence. The CMA-66 is designed to accommodate standard 20” x 20” racks, making it compatible with most dishware used in commercial settings.

The CMA-66 incorporates advanced rinse technologies, including a built-in booster heater that ensures proper sanitization. This feature provides a water temperature of up to 180°F during the final rinse cycle, which is essential for meeting health department requirements. Additionally, the machine utilizes a high-efficiency pump to circulate water effectively, ensuring that all items are thoroughly cleaned and sanitized.

Energy efficiency is another hallmark of the CMA-66. This model is designed to minimize water and detergent usage, making it environmentally friendly while also reducing operational costs. The machine consumes only 0.74 gallons of water per rack, which significantly lowers water bills compared to traditional dishwashers. Features such as the automatic wash system further enhance its efficiency by optimizing the wash cycle based on the load size.

The CMA-66 is built with durability in mind, featuring a stainless steel construction that is resistant to corrosion and easy to clean. This not only extends the lifespan of the machine but also contributes to a hygienic kitchen environment. The units are equipped with a user-friendly control panel, making operation simple and straightforward for kitchen staff.

In terms of safety, the CMA-66 is designed with operator protection in mind. It features a door safety latch that ensures the machine does not operate while the door is open, preventing accidents and ensuring a safe working environment. Moreover, the model is equipped with a built-in pump that prevents backflow, further enhancing hygiene standards.

Overall, the CMA Dishmachines CMA-66 stands out in the commercial dishwashing market due to its exceptional performance, energy efficiency, and durability. Whether it’s a bustling restaurant or a large banquet hall, the CMA-66 delivers the reliability and speed needed to keep up with the demands of the modern food service industry. Its advanced features make it a valuable asset for any commercial kitchen looking to streamline operations and maintain high cleanliness standards.