Cornelius SID851A/250S-BC, SID851W/250S manual ICE Maker Problem YES RUN RUN/STOP Stop Hopper

2.A ICE MAKER PROBLEM

YES	IS	RUN	RUN/STOP	STOP
	HOPPER		SWITCH?
	FULL?
	NO

PUT SWITCH IN RUN POSITION.

NORMAL SHUTOFF ON

BIN THERMOSTAT.

1.CHECK THERMOSTAT ADJUST- MENT.

2.REPLACE BIN THERMOSTAT.

IS BIN

THERMOSTATNO OPEN?

YES

	IS			IS LOW-			IS HIGH-
YES	WATER		YES			NO
				PRESSURE			PRESSURE
	LEVEL NORMAL						SWITCH
	IN EVAP.?			SWITCH
				OPEN?			OPEN?
		NO			NO			YES
				CHECK FOR LOOSE CONNECTION
				OR BROKEN WIRE.

1.CHECK THAT WATER SUPPLY IS OPEN.

2.CHECK WATER SUPPLY FILTER.

3.CHECK FOR PLUGGED WATER SOLENOID VALVE.

4.CHECK ADJUSTMENT OF TIMER CAM #4. (WATER DUMP)

5.CHECK TIMER SWITCH #4.

6.CHECK IF WATER DUMP VALVE IS STUCK OPEN.

1.CHECK FOR REFRIGERANT UN-

DER-CHARGE

2.CHECK TXV VALVE.

AIR-COOLED UNITS

1.CHECK FOR RESTRICTED AIR FLOW AT TOP OR REAR OF UNIT.

2.CHECK FOR HOT AIR RECIRCULATING TO TOP INLET. ELIMINATE BY BAFFLING.

3.CHECK FOR DIRTY INLET AIR FILTER.

4.CHECK FOR DIRTY AIR-COOLED CONDENSER.

5.CHECK CONDENSER FAN MOTOR.

6.CHECK FOR REFRIG. OVER-CHARGE.

WATER-COOLED UNITS

1.CHECK WATER SUPPLY TO CONDENSER.

2.CHECK FOR FAULTY WATER REG. VALVE.

3.CHECK FOR REFRIG. OVER-CHARGE.

4.CHECK FOR FOULED CONDENSER.

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