Ice-O-Matic GEM1256R, GEM0956R Service Diagnosis, Symptom Possible Cause Probable Correction

Page 36

GEM0650/0956/1256 Remote		Service Diagnosis
Symptom	Possible Cause	Probable Correction
No ice is made nothing operates.	•Unit off due to no power	•Restore Power
	•Unit off due to master switch in OFF	•Switch master Switch to ON
	position
	•Unit off due to low water level	•Check water supply, filter
		strainer, float valve. Correct
		water supply.
	•Unit off due to ice level sensors.	•Check/clean ice level sensors.
	(Photo Eyes ) blocked.
	•Unit off due to scale on water level	•Clean water level sensor.
	sensor.
	•Unit off due to high pressure control open.	•Check for water interruption
		(water cooled) of fan motor
		failure.
	•Auger motor hums but does not turn.	•Auger can’t turn. Circuit board
		has not yet shut it down.
	•Unit is shut down.	•Circuit board has shut ice
		machine down due to high
		auger motor amp draw. Check
		for cause of high amp draw,

including bearings, gear motor condition and scale on auger and in evaporator.

No ice, auger motor is turning.

•Low pressure control open.

•No power to circuit board.

•Circuit board gear motor relay will not close.

•Compressor contactor coil is open. •Compressor will not start.

•Auger not turning due to: motor failure; auger relay failure on circuit board; or or gears stripped. Check drive train.

•TXV restricted or not metering. Check bulb temperature. •Lack of refrigerant, check for

leak.

•Check for a restricted system.

•Check harness

•Hi or low pressure cut outs open.

•Check/replace board.

•Check/replace contactor.

•Check start capacitor. •Check start relay.

•Check compressor windings.

Page 30

Image 36

Contents Pearl Ice Series By Ice-O-MaticPage Introduction Keep this manual for future referenceTable Of Contents Freight Claim Procedure Inspect PromptlyVisible Loss or Damage Concealed Loss or DamageWarranty Governing LAWFor the Installer GEM0650/0956R GEM1256R Ice Machine Specifications Bin ApplicationLocation Storage BinIce machine Water LimitationsERC Dimensions Inches GRC1001 GRC1061 GCR2061 Remote CondenserPearl Ice Number Line SetsRemote Condenser Location Calculation FormulaCalculation Example Remote Condenser Location Roof AttachmentPrecharged Line Set Routing Typical Installation Coupling Instructions Initial Connections Final ConnectionsFor the Plumber Water InletDrains Ice Machine For the Electrician Completed Installation Final Check List There are no adjustments to make, so replace the panels Start UpPre-Start Inspection Start UpComponent Description Control Board GEM0650/0956/1256 Remote Electrical Sequence Operation Water WaterWater Level Water SystemRefrigeration Schematic Operation RefrigerationLow Condensing Temperature Pump Down Operation Performance Sanitizing and Cleaning Condenser Maintenance Brush in direction of finsBearing Maintenance Bearing MaintenanceSensor Maintenance Bin Control SensorWater Sensor Auger Maintenance AugerService Diagnosis Symptom Possible Cause Probable CorrectionSymptom Control System Diagnostics High pressure cut out checkWater Reservoir, Bin Control Water ReservoirBin Controls Ice Level Sensors To Remove the Breaker Bearing Assembly Bearing and BreakerAuger To Remove the AugerWater Seal To Remove the Water SealRemoval of the Water Seal To Replace the Water Seal Replacing the Water SealEvaporator To Replace the EvaporatorTo Reassemble the Evaporator and Auger To Remove and Repair the Gear Motor Assembly Gear MotorTo Check the Gear Motor To Inspect the Gear MotorTo Remove the Condenser Fan Motor Assembly Fan Blade and MotorRefrigeration Service Charging ProcedureGEM0650R Wiring Diagram Wiring Diagram GEM0650RGEM0956R Wiring Diagram Wiring Diagram GEM0956RGEM1256R Wiring Diagram Wiring Diagram GEM1256RService History What to Do Before Calling for Service