Carrier Controller Alarm Indications

Read Term And Condition Before Use This Application !!!

Carrier Controller Alarm Indications

AL03 Loss of Superheat Control

AL05 Manual Defrost Switch Failure

AL06 Keypad or Keypad Harness Fail

AL07 Fresh Air Vent Open with Frozen Set Point

AL08 High Compressor Pressure Ratio

AL10 CO2 Sensor Failure

AL11 Evaporator Fan Motor 1 Safety

AL12 Evaporator Fan Motor 2 Safety

AL14 Phase Sequence Detect Fault

AL15 Loss of Cool

AL16 Compressor Current High

AL17 Compressor Pressure Delta Fault

AL18 Discharge Pressure High

AL19 Discharge Temperature High

AL20 Control Contactor Fuse (F3) (follow model on machine)

AL20 Control Circuit Fuse Open (24 vac) (follow model on machine)

AL21 Control Circuit Fuse (F1/F2) (follow model on machine)

AL21 Micro Circuit Fuse Open (18 vac) (follow model on machine)

AL22 Evaporator IP (follow model on machine)

AL22 Evaporator Fan Motor Safety (follow model on machine)

AL23 Loss of Phase B (follow model on machine)

AL23 KA2-KB10 Jumper Disconnected (follow model on machine)

AL24 Compressor IP (follow model on machine)

AL24 Compressor Motor Safety (follow model on machine)

AL25 Condenser IP (follow model on machine)

AL25 Condenser Fan Motor Safety (follow model on machine)

AL26 All Sensors Failure: Supply/Return Probes

AL27 Analog to Digital Accuracy Failure (follow model on machine)

AL27 Probe Circuit Calibration Failure (follow model on machine)

AL28 Low Suction Pressure

AL29 AutoFresh Failure

AL50 Air Vent Position Sensor (VPS)

AL51 EEPROM Failure (follow model on machine)

AL51 Alarm List Failure (follow model on machine)

AL52 EEPROM Alarm List Full (follow model on machine)

AL52 Alarm List Full (follow model on machine)

AL53 Battery Pack Failure

AL54 Primary Supply Sensor (STS)

AL55 DataCORDER Failure (follow model on machine)

AL55 I/O Failure (follow model on machine)

AL56 Primary Return Sensor (RTS)

AL57 Ambient Sensor (AMBS)

AL58 Compressor High Pressure Safety (HPS)

AL59 Heater Termination Thermostat (HTT)

AL60 Defrost Temperature Sensor (DTS)

AL61 Heater Current Draw Fault

AL62 Compressor Circuit Failure

AL63 Current Limit

AL64 Discharge Temperature Sensor (CPDS) (follow model on machine)

AL64 Discharge Temperature Over Limit (CPDT) (follow model on machine)

AL65 Discharge Pressure Transducer (DPT)

AL66 (SPT) Suction Pressure Transducer, (EPT) Evaporator Pressure Transducer (follow model on machine)

AL66 Suction Pressure Transducer Failure (SPT) (follow model on machine)

AL67 Humidity Sensor

AL68 Condenser Pressure Sensor (follow model on machine)

AL68 Condenser Pressure Transducer Failure (CPT) (follow model on machine)

AL69 Evaporator Temp Sensor (ETS1) (follow model on machine)

AL69 Suction Pressure Sensor (follow model on machine)

AL69 Suction Temperature Sensor Failure (CPSS) (follow model on machine)

AL70 Secondary Supply Sensor (SRS)

AL71 Secondary Return Sensor (RRS)

AL72 Control Temp Out of Range

ERR # | Entr StPt | LO

dAL70 Recorder Supply Temperature Out of Range

dAL71 Recorder Return Temperature Out of Range

dAL72−74 USDA Temperatures 1, 2, 3 Out of Range

dAL75 Cargo Probe 4 Out of Range

dAL76, 77 Future Expansion

dAL78−85 Network Data Point 1 − 8 Out of Range

dAL86 RTC Battery Low

dAL87 RTC Failure

dAL88 DataCORDER EEPROM Failure

dAL89 Flash Memory Error

dAL90 Future Expansion

dAL91 Alarm List Full