User guide

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Corporate Office: 724.584.5500  Instant Access 24/7 (Parts and Service): 800.458.1960  Parts and Service: 814.437.6861
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Table5–ControllerControlFaultLogic
Fault
Alarm
Indication
Pump
Shut
Off
Compressor
ShutOff
Alarm
Reset
Required
1
Manual
Reset
Required
2
Remote
Alarm
Activated
3
LowReservoir
Level
TheReservoirLevelLightflashes
red
Yes Yes Yes Yes Yes
Temperature
LimitSafety
TheSetpointandActual
TemperaturesFlashandthe
TemperatureLimitLightflashes
red
Yes Yes Yes No Yes
Temperature
LimitWarning
TheTemperatureLimitLight
flashesyellow
No No Yes No Yes
PumpMotor
Overload
ThePumpLightflashesred
Yes Yes Yes Yes Yes
Compressor
MotorOverload
TheCompressorLightflashesred
No Yes Yes No Yes
HighRefrigerant
Pressure
TheHighRefrigPressureLight
flashesred
No Yes Yes Yes Yes
LowRefrigerant
Pressure
TheLowRefrigPressureLight
flashesred
No Yes Yes No Yes
LowEvaporator
Temperature
TheFreezestatLightflashesred
No Yes Yes No Yes
SupplyProbe
FaultHi
TheSetpointTemperatureDisplay
shows“PRS”andtheActual
TemperatureDisplayshows“EHi”
Yes Yes Yes No Yes
SupplyProbe
FaultLo
TheSetpointTemperatureDisplay
shows“PRS”andtheActual
TemperatureDisplayshows“ELo”
Yes Yes Yes No Yes
ReturnProbe
FaultHi
TheSetpointTemperatureDisplay
shows“PRR”andtheActual
TemperatureDisplayshows“EHi”
Yes Yes Yes No Yes
ReturnProbe
FaultLo
TheSetpointTemperatureDisplay
shows“PRR”andtheActual
TemperatureDisplayshows“ELo”
Yes Yes Yes No Yes
Freezestat
ProbeFaultHi
TheSetpointTemperatureDisplay
shows“FRR”andtheActual
TemperatureDisplayshows“EHi”
Yes Yes Yes No Yes
Freezestat
ProbeFaultLo
TheSetpointTemperatureDisplay
shows“FRR”andtheActual
TemperatureDisplayshows“ELo”
Yes Yes Yes No Yes
Brownout TheSetpointTemperatureDisplay
shows“Brn”andtheActual
TemperatureDisplayshows“Out”
Yes Yes Yes No Yes
3‐PhasePower
Error
TheElectricalPhaseErrorlist
flashesred
Yes Yes Yes No Yes
LowFlow TheLowFlowLightflashesred Yes Yes No No Yes
1
AlarmSilence/Resetbuttononcontrolpanelmustbepressed.
2
Safetycontroldevicemustbemanuallyresetbeforethecontrollercanbereset.
3
Activatesthealarmhornandclosesthealarmcontactiftheremotealarmcontactoptionhasbeenpurchased.
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