Manual background

Maintenance

PROBLEM

LIKELY CAUSE

SOLUTION

Lack of pressure in rinse

Rinse solenoid valve will not

Check coil

spray tube

operate

Check and install rebuild kit

 

 

 

 

Replace if necessary

 

 

 

 

Rinse solenoid valve strainer

Remove screen and clean

 

plugged

 

Water continues to flow to

Solenoid valve not sealing

Clean seat

detergent tank or spray

 

Install diaphragm kit

tubes with machine off

 

 

Replace valve

 

 

Water temperature low in

Thermostat setting low

Adjust thermostat

detergent tank

 

 

Thermostat defective

Replace

 

 

 

 

 

Defective float switch

Replace

 

 

 

 

Heater burnt out

Check and replace

 

 

Ensure water level is above

 

 

element

 

Incoming water temp. low

Hot water supply

 

 

min.140°F/60°C

Water on floor around

Pump seal leaking

Replace

machine

 

 

Rinse drain in wash area plugged

Clear obstruction, clean

 

 

 

machine

 

 

 

 

Wash return screen in detergent

Clean

 

tank plugged

 

 

Drain screen under detergent

Clean

 

tank plugged

 

 

Main drain plugged

Clean

 

 

 

 

Detergent tank covers are not

Position all top covers to

 

positioned properly causing

completely cover top of tank

 

condensation

 

 

Fill chute has lime build-up

De-scale detergent tank

 

 

 

Chemical containers filling

Dirty rinse tubes

Clean

with water

 

 

Worn flow washer in solenoid

Replace

 

 

valve

 

Chemicals not feeding

No product in containers

Refill containers

 

 

 

 

Product gelling or crystallizing in

Flush all lines with hot water

 

chemical line

and use fresh supply of

 

 

chemical

 

Chemical supply strainer plugged

Clean with hot water

 

Speed adjustment set too low

Increase by turning clockwise

 

 

while machine is running/filling

 

No power to pump

Check LED signal

 

 

 

 

Pump motor defective

Replace pump motor

 

 

 

MODEL GL-C Installation & Operation Manual Rev. 1.00 –2/23/06

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CMA Dishmachines MODEL GL-C manual Maintenance, Lack of pressure in rinse