Carrier Touch Pilot Control Series Control Manual

9.6 - Alarms descriptionThe following table includes all alarms/alerts associated with theoperation of the unit.9 - DIAGNOSTICSCode Description Possible cause Action taken Reset typeThermistor failure15001 Cooler Entering Fluid Thermistor Defective thermistor Unit shuts down Automatic, if thermistorreading returns to normal15002 Cooler Leaving Fluid Thermistor As above Unit shuts down As above15006 Condenser Entering Fluid Thermistor As above Unit shuts down As above15007 Condenser Leaving Fluid Thermistor As above Unit shuts down As above15011 MASTER/Slave Common Fluid Thermistor As above Master/Slave assemblycontrol disabled. Unit returnsto the standalone modeAs above15032 MASTER/Slave Common Heat FluidThermistorAs above As above As above15018 Circuit A Condenser Subcooling LiquidThermistor FailureAs above Circuit A shuts down As above15019 Circuit B Condenser Subcooling LiquidThermistor FailureAs above Circuit B shuts down As above15021 Space Temperature Thermistor Defective thermistor while resetby “Space temp.” is activatedNo action (warning only) As above15010 OAT Thermistor Failure Defective thermistor No action (warning only) As above15046 Free Cooling Water Loop Thermistor Failure As above Free cooling is disabled, butthe unit continues to operateAs above15047 Free Cooling Leaving Water ThermistorFailureAs above As above As above15048 Free Cooling OAT Sensor Failure As above As above As above15036 External Air Cond. Control: Leaving WaterThermistor FailureAs above Unit shuts down As above15099 External Air Cond. Control: Outdoor AirThermistor FailureAs above Unit shuts down As abovePressure transducer failure12001 Circuit A Discharge Transducer Failure Defective transducer orinstallation faultCircuit A shuts down Automatic, if sensor voltagereading returns to normal12002 Circuit B Discharge Transducer Failure As above Circuit B shuts down As above12004 Circuit A Suction Transducer Failure As above Circuit A shuts down As above12005 Circuit B Suction Transducer Failure As above Circuit B shuts down As above12031 Circuit A Condenser Subcooling is negative Defective transducer orinstallation fault, calculatedcondenser subcooling isnegativeNo action (warning only) As above12032 Circuit B Condenser Subcooling is negative As above No action (warning only) As aboveCommunication failure4901 Loss of communication with SIOB BoardNumber 1Bus installation fault ordefective boardUnit shuts down Automatic, if communicationis re-established4902 Loss of communication with SIOB BoardNumber 2As above Circuit B shuts down As above4903 Loss of communication with SIOB BoardNumber 3As above Unit shuts down As above4601 Loss of communication with AUX1 BoardNumber 1As above Unit continues to operate, butoptions related to the boardare disabled, e.g. leakdetection, master/slaveassembly controlAs above4602 Loss of communication with AUX1FreeCooling boardAs above Free cooling is disabled As above4611 Loss of communication with AUX1 AirCondensing Control boardAs above Unit shuts down As aboveUnit protections10001 Cooler Freeze Protection No water flow, defectivethermistorUnit shuts down Automatic, if water exchangerLWT is 3 K above thesetpoint, (the first alarm within24 hours); otherwise, Manual10002 Circuit A Condenser Freeze Protection Discharge pressure transducerdefective, refrigerant leak orlow condenser watertemperatureUnit is "On": Circuit Ashuts down, but thecondenser pump is turned onUnit is “Off”: Condenserpump is turned on, but theunit cannot be startedAutomatic, if saturateddischarge temperature ismore than 4.4°C; otherwise,Manual10003 Circuit B Condenser Freeze Protection As above Unit is "On": Circuit B shutsdown, but the condenserpump is turned onUnit is “Off”: Condenserpump is turned on, but theunit cannot be startedAs above31