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Operation
PROBLEM LIKELY CAUSE SOLUTION
Turn up supply water heater
Low incoming water temperature
(below 140° F)
Insulate supply water pipe
Thermostat out of adjustment Adjust thermostat
Cold water mixing with supply
Isolate hot water from cold
water
Low heat during operation
Defective heater Replace heater
P/N: 15517.00
Pressure regulator out of
adjustment
Adjust pressure regulator
Low rinse water pressure
Defective pressure gauge (actual
pressure is okay)
Replace pressure gauge
P/N: 13605.45
Insufficient water supply flow Supply larger supply line
Regulator at maximum but
rinse pressure still low
Defective water solenoid valve Replace water solenoid valve
P/N: 03603.10
Low rinse water pressure
See “Low rinse water
pressure” in
PROBLEM
column
Low rinse water flow
Limed up rinse arm spray nozzles De-lime rinse arm nozzles
Defective water solenoid valve Replace water solenoid valve
P/N: 03603.10
No rinse water flow
Defective (Rinse Relay) ice cube
relay
Replace ice cube relay
P/N: 00631.00
Rinse water runs with door
open
Defective reed switch Replace reed switch
P/N: 00557.55
Drain hose is kinked Un-kink drain hose
Drain hose is not properly
elevated before dropping to drain
(if drain pump is used)
Elevate drain hose 12 to 16”
above pump before dropping
to drain
Defective timer assembly Replace timer assembly*
P/N: 14408.80
Water overflows scrap tray
onto floor
Defective drain pump
(if drain pump is used)
Replace drain pump
P/N: 15503.00
Defective start switch (cycle light
will not light either)
Replace start switch
P/N: 15521.00
With power on, activating
start switch does not begin
cycle
Defective timer assembly Replace timer assembly*
P/N: 14408.80
*The timer assembly motor (P/N: 00501.00) or micro switches (P/N: 00411.00) can be replaced
independently if that’s the only component that’s failed.
MODEL CMA-180UC INSTALLATION & OPERATION MANUAL Rev. 1.15 Page
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