Howe 2000-RLE - Troubleshooting

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Problem PossibleCause PossibleSolution
IceBladeisfrozenin‐place
1. MotorOverloadsettingistoohigh. 1. AdjusttheMotorOverloadsettingattheControlModule(CM).
2. Iceisfreezingtoothickortoohard. 2. AdjustrefrigerationtoIceFlaker.
3. DriveMotorhasstopped. 3. See“DriveMotorwillnotstart”above.
4. FlexCouplingisbroken. 4. CheckandreplaceFlexCouplingasnecessary.
IceFlakernotmeetingrated
capacity
RunFieldCapacityCheckbeforemakinganyadjustments(seep.20).
1. IncorrectEvaporatorTemperature. 1. AdjustrefrigerationtoIceFlaker.
2. Supplywatertemperatureisoutside
mandatoryrange.
2. Adjustsupplywatertobetween45°Fand90°F.Fortemperaturesbelowrange,
contactHoweaboutLowTemperatureMixingValve.
3. Ambienttemperatureisoutsidemandatory
range.
3. Adjustambienttemperaturetobetween50°Fand100°F.Inunabletoadjust,
relocatetheIceFlaker.Fortemperaturesbelowrange,contactHoweaboutLow
AmbientKit.
Icefreezestogether
intheIceBin
1. WaterDistributionPanisoverflowing. 1. AdjustWaterRegulatingValvesotheWaterDistributionPanishalfwayfull.
2. WaterfromSideSpoutsorLeadSpoutis
notreachingfreezingsurfaceof
Evaporator.
2. Cleanspoutsofanydebrisorblockages.Makesureallspoutsareperpendicularto
andwithinreasonabledistancefromsurfaceofEvaporator.
3. Wateris“ramping”offringsoficeformed
onEvaporator.
3. AdjustrefrigerationtotheIceFlaker.
4. IceBinisnotdrainingproperly. 4. CheckthatalldrainsareflowingfreelyandpitchedawayfromIceBin.
5. IceturnoverislowandIceBininventory
hasbecomestaleandclumpedbylengthy
storagetime.
5. Useordiscardicewithinareasonabletimeofproducingit.ContactHoweabout
EnergySaverIceProductionManagementSystem.
CondensingUnitisin
LowSuctionPressurePumpDown
1. Lackofrefrigerant. 1. Checkforleaksandrepair.Addrefrigerant.
2. Insufficientwatersupply. 2. ReplaceWaterFilter.Checkforcloggedtubesorvalves.
3. Refrigerationlineblockage. 3. Checkfilterdrier,TXV,EPRandreplaceasnecessary.
CondensingUnitisoffon
LowOilPressureFailure
1. Lackofrefrigerant. 1. Checkforleaksandrepair.Addrefrigerant.
2. Refrigerantfloodback. 2. AdjustrefrigerationtoIceFlaker.
3. Improperpipingortraps. 3. Correctpiping.
CondensingUnitisoffon
HighDischargePressureFailure
1. Non‐condensablesinthesystem. 1. Removethenon‐condensables.
2. Systemisoverchargedwithrefrigerant. 2. Removeexcessrefrigerant.
3. Fanisnotrunning. 3. CheckFanCyclingControlandadjustasnecessary.
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