Manitowoc Ice STH003 manual Component Specifications Check Procedures

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COMPONENT SPECIFICATIONS AND

CHECK PROCEDURES

MAIN FUSE

Function

The control board fuse stops ice machine operation if electrical components fail causing high amp draw.

Specifications

CM50

Volt

250

Amp

10

Check Procedure

WARNING

High (line) voltage is applied to the control board at all times. Removing the control board fuse or moving the toggle switch to OFF will not remove the power supplied to the control board.

1.If the bin switch light is on with the ice damper closed, the fuse is good.

WARNING

Disconnect electrical power to the entire ice machine before proceeding.

2.Remove the fuse. Check the resistance across the fuse with an ohmmeter.

Reading	Result

Open (OL)	Replace fuse
Closed (O)	Fuse is good

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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/CONNECTIONSMinimum Circuit Ampacity Electrical SpecificationsElectrical Requirements Voltage Gfci RequirementsComponent Identification Water Pump Evaporator Shutter Assembly Clean Green BIN Thermostat AdjustmentPower Button 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 MachinesHarvest Refrigeration System Start-UpFreeze 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 Check Resistance OHM Values Compressor Electrical DiagnosticsSingle Phase Compressors Check Motor Windings to GroundCompressor Drawing Locked Rotor Compressor Drawing High AmpsCapacitor RelayPage Cycle Times Freeze Time + Harvest Time = Cycle Time Recycle RecoverNew Product Specifications 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