Cornelius SERIES 1100 (R22), 750 (R404A), 2400 (R404A) service manual Trouble

Trouble Probable Cause Remedy

UNIT OFF OR TRIPS CIRCUIT A.	Ice jams up in evaporator	A.	Clean inside surface of
BREAKER.	shell.		evaporator shell.
B.	Bin thermostat will not shut–off	B.	Check and adjust or replace .
	machine. Set too cold.
C.	Auger motor has worn	C.	Check and replace.
	bearings.
D.	Ice chute out of alignment,	D.	Re–align.
	restricted ice flow out of
	evaporator section.
E.	Ice chute center separator	E.	Replace ice chute .
	bent restricting ice flow out of
	evaporator section .
F.	Incoming water temperature	F.	Maintain temperature above 50°F.
	too cold.
G.	Bin thermostat does not	G.	Replace bin thermostat if
	shut–off when bin is full of ice.		necessary.
H.	Mineral or scale deposits on	H.	Inspect and clean.
	inside of evaporator shell and
	evaporator.

I.Strips loose or missing on inside of evaporator shell.

J.Low ambient temperature in room where unit is located.

K.Gearmotor sticking which causes it to draw excessive amperage.

I.Inspect and replace evaporator shell if necessary.

J.Maintain temperature above 50°.

K.Check amp draw of gearmotor with an amprobe (1.6 amps) at 115V, (.7 amps) 230V for normal loaded amps.

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