Manitowoc Ice STH003 manual Check Procedure, No Ice on Ice on Bulb Result

Page 56

Check Procedure

WARNING

High (line) voltage is applied to the control board (terminals #20 and #21) at all times. Removing the control board fuse or depressing the power button will not remove the power supplied to the control board.

WARNING

Disconnect electrical power to the entire ice machine before proceeding.

1.Verify the capillary tube is inserted correctly in the bulb holder (17” 43 cm).

2.Remove the 2 bottom front panels to access the bin thermostat.

3.Disconnect wires #45 and #46 from the bin thermostat or control board and check the resistance across the bin thermostat terminals.

	No Ice on	Ice on Bulb	Result
	Bulb
	Closed (O)	Open (OL)	Thermostat
	Closed (O)	Open (OL)	good
			good
	Open (OL)	Closed (O)	Replace
	Open (OL)	Closed (O)	thermostat
			thermostat

Note: After covering/uncovering the bulb holder with ice, wait at least three minutes to allow the thermostat to react. (Open/Close)

56

Image 56

Contents CM050 CM Model Ice Machines Safety Notices Procedural Notices Potential Personal Injury Situation Read These Before ProceedingPersonal Injury Potential Table of Contents Liquid Line Thermistor CMS050A004 Model NumbersDrain Pump Accessories LegsManitowoc ICE Machine Cleaner and Sanitizer MODEL/SERIAL Number Location Owner Warranty Registration Card GeneralPage Manitowoc ICE, INC Installation Location of ICE MachineICE Machine Heat of Rejection Heat of Rejection Air Conditioning** PeakLeveling the ICE Machine Levelers LegsDrain Connections Water SERVICE/DRAINS Water SupplyWater Inlet Lines Drain Pump Water Supply and Drain Line SIZING/CONNECTIONSElectrical Specifications Electrical Requirements VoltageMinimum Circuit Ampacity Gfci RequirementsComponent Identification Water Pump Evaporator Shutter Assembly BIN Thermostat Adjustment Power Button GreenClean Green Operational ChecksSafety Timers Cleaning the Condenser ICE Machine InspectionAIR-COOLED Condenser Interior Cleaning and Sanitizing Interior Cleaning and Sanitizing General Place CLEANING/SANITIZING ProcedurePage Cleaning Procedure Page Page Removal of Parts for Cleaning and Sanitizing TOP Cover Water Shutters ICE Chute Sump Drain Overflow Tube Water Trough Spray BAR, Water Pump and Hose Spray BAR Disassembly Removal from SERVICE/LONG Term STORAGE/WINTERIZATION General SELF-CONTAINED AIR-COOLED ICE MachinesRefrigeration System Start-Up FreezeHarvest Automatic Shut-OffEnergized Parts Chart SELF-CONTAINED ICE Machines SequenceTroubleshooting Diagnosing AN ICE Machine That will not RUNPage ICE Machine will not Harvest ICE Quality is Poor Cubes are SHALLOW, Incomplete or White Freeze Cycle is LONG, LOW ICE Production ICE Machine Runs & no ICE is Produced Freeze Harvest Cycle Psig Beginning Freeze Cycle Discharge Pressure LOW Checklist Analyzing Suction Pressure Procedure StepDischarge Pressure Suction Pressure High Checklist ProblemSuction Pressure LOW Checklist Problem Normal Operation HOT GAS ValveGeneral HOT GAS Valve Analysis Freeze cycle. If Specifications FunctionCheck Procedure No Ice on Ice on Bulb ResultFreeze Time Harvest Time Total Cycle Time Adjusting Finishing Time Additional finishing time checkLiquid Line Thermistor TEMPERATURE/RESISTANCE Chart SM50 Resistance ChartTotal System Refrigeration Charge Component Specifications Check Procedures Compressor Electrical Diagnostics Single Phase CompressorsCheck Resistance OHM Values Check Motor Windings to GroundCompressor Drawing Locked Rotor Compressor Drawing High AmpsCapacitor RelayPage Cycle Times Freeze Time + Harvest Time = Cycle Time Recover New Product SpecificationsRecycle ReclaimRefrigerant RE-USE Policy Page Refrigerant Recovery/Evacuation/Charging ConnectionsRecovery/Evacuation Charging Procedures Page System Contamination Cleanup General No symptoms or suspicion Normal Mild System Contamination Cleanup Procedure Severe System Contamination Cleanup Procedure Change the vacuum pump oilFollow normal evacuation procedures Page Using Pinch Off Tool FIG. a Pinching OFF TubingBrazing Procedures for Danfoss Solenoid Valves Do not disassemble valveMAX F 700C Liquid Line Filter Drier Control Board Wiring Diagrams Tubing Schematic Manitowoc Ice, Inc