CMA Dishmachines CMA-180UC Quick service guide, Operation, Page, Technical Issue, Cause, Solution

Operation

3.5.Quick service guide

MODEL: CMA 180UC 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, P/N 00411.00
	Drain hose elevated too high	Must be lowered to goose neck level
Scrap trap over flows
	Obstruction in drain hose	Check hose & clean
	Scrap exit screen	Clean exit screen
	Faulty drain pump	Replace pump, P/N 15503.00
	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, P/N 00308.20
	Door gasket	Replace gasket, P/N 14506.60
	Loose wire at display, board or	Secure connectors
	transformer
Thermometer failure	Faulty temperature sensing wire	Correct, replace, P/N 03202.66
	Faulty temperature sensing unit	Replace unit, P/N 03203.00
	Faulty transformer	Replace transformer, P/N 03202.60
	Scaled heating element	Clean scale from heater
	Booster heater’s thermostat not	Adjust thermostat
Rinse water temperature low /high	properly set
	Incoming water temperature to	Adjust external water heater in the facility
	booster heater below 140 F
	Loose lead connections	Check and crimp connectors
Pump motor not running	Faulty # 3 micro switch	Replace micro switch, P/N 00411.00
	Faulty contactor	Replace contactor, P/N 15504.00
	Faulty wash pump motor	Replace wash pump motor, P/N 00201.00
Pump motor runs continuously	Faulty # 3 micro switch	Replace micro switch, P/N 00411.00
	Faulty contactor	Replace contactor, P/N015504.00
	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, P/N 00308.17
	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, P/N 00706.00
	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, P/N 04103.00

MODEL CMA-180UC INSTALLATION & OPERATION MANUAL Rev. 1.15 Page 14