CMA Dishmachines CMA-181GW, Owner'S Manual

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Operation
MODEL CMA-181GW INSTALLATION & OPERATION MANUAL Rev. 1.00
Page
13
3.5. Quick service guide
MODEL: CMA 181GW HIGH TEMP UNDER COUNTER
TECHNICAL ISSUE CAUSE SOLUTION
Pressure regulator is not set properly Set regulator to 18-20 psi
Faulty rinse micro switch Replace micro switch
Obstruction in drain hose Check hose & clean
Scrap exit screen Clean exit screen
Faulty drain pump Replace pump
Machine not level Adjust machine legs to level
Machine is leaning forward Adjust machine legs to level
Door leaks Wash arm end cap missing Replace end cap
Door gasket Replace gasket
Loose wire at display, board or
transformer
Secure connectors
Thermometer failure Faulty temperature sensing wire Correct, replace
Faulty temperature sensing unit Replace unit
Faulty transformer Replace transformer
Scaled heating element Clean scale from heater
Rinse water temperature low /high
Booster heater’s thermostat not
properly set
Adjust thermostat
Incoming water temperature to
booster heater below 140 F
Adjust external water heater in the facility
Loose lead connections Check and crimp connectors
Pump motor not running
Faulty # 3 micro switch Replace micro switch
Faulty contactor Replace contactor
Faulty wash pump motor Replace wash pump motor
Pump motor runs continuously
Faulty # 3 micro switch Replace micro switch
Faulty contactor Replace contactor
Water regulator not adjusted properly Adjust regulator to 18-20 PSI
Low water pressure at the final rinse Clogged final rinse spray jets Clean jets
Missing final rinse spray end cap Replace end cap
Low incoming water pressure from
facility
Increase pressure to 18-20 psi
Scrap trap overflows over night Faulty water solenoid diaphragm Clean or replace diaphragm
Low wash or rinse water temp. Check temperature settings
Poor cleaning results Wash arm bearing or jets Clean bearing and arm jets
Rinse arm bearing or jets Clean bearing and arm jets
Tank discharge screen dirty Clean screen
Wash tank will not drain. Drain valve not operating Check power to drain valve
Drain valve faulty Replace Drain valve