Manitowoc Ice STH003 manual

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5.Verify the “Power” switch functions properly.

•If the red control board light is energized and depressing the “Power” switch does not energize the green “Power” light, check the interconnecting wire, then replace the interface board.

6.Verify the bin thermostat functions properly.

•The green “Power” light will be energized and the ice machine will function in the “Clean” cycle with the bin thermostat is open.

7.Check control board light to see if ice machine shutdown on over temperature limit (control board light will flash rapidly).

8.Replace the control board.

•Be sure Steps 1-6 were followed thoroughly. Intermittent problems are not usually related to the control board.

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Contents CM050 CM Model Ice Machines Safety Notices Procedural Notices Read These Before Proceeding Personal Injury PotentialPotential Personal Injury Situation Table of Contents Liquid Line Thermistor CMS050A004 Model NumbersAccessories Legs Manitowoc ICE Machine Cleaner and SanitizerDrain Pump 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 LegsWater SERVICE/DRAINS Water Supply Water Inlet LinesDrain Connections 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 StepSuction Pressure High Checklist Problem Suction Pressure LOW Checklist ProblemDischarge Pressure HOT GAS Valve GeneralNormal Operation 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