Carrier Inverter AC Error Codes

Indoor Error Code

E0 Indoor Unit EEPROM Parameter Error.

E1 indoor / outdoor units communication error.

E3 indoor fan speed out of control.

E4 indoor room temperature sensor T1 short circuit or open circuit.

E5 Evaporator Coil Temperature Sensor T2 short circuit or open circuit.

EC refrigerant leak detection.

F1 outdoor ambient temperature sensor T4 short circuit or open circuit.

F2 condenser coil temperature sensor T3 short circuit or open circuit.

F3 compressor discharge temperature sensor T5 short circuit or open circuit.

F4 outdoor unit EEPROM parameter error.

F5 outdoor fan speed out of control.

P0 IPM malfunction or stronger current protection than IGBT.

P1 over voltage or low voltage protection.

P2 high temperature safety compressor is the top diagnosis and solution.

P4 inverter compressor drive error,

P5 Mode Conflict.

P6 Compressor Voltage Protection.

Outdoor Error Code:

Error code meaning

E0 Outdoor EEPROM Malfunction

E2 indoor / outdoor units communication error

E3 communication malfunction between IP3 board and outdoor main board

Open or short circuit of E4 outdoor unit temperature sensor.

E5 Voltage Protection.

E8 outdoor fan speed malfunction.

F1 Neither an indoor unit coil outlet temperature sensor or sensor connector is faulty.

F2 No B Indoor unit coil outlet temperature sensor or sensor connector is faulty.

F3 No C Indoor unit coil outlet temperature sensor or sensor connector is faulty.

F4 No D Indoor unit coil outlet temperature sensor or sensor connector is faulty.

F5 No E Indoor unit coil outlet temperature sensor or sensor connector is defective.

P1 High Pressure Protection.

P2 low pressure protection.

Current protection of p3 compressor.

P4 temperature protection of compressor.

High Temperature Protection of P5 Condenser.

P6 IPM Module Security.

Outdoor checking function

00: normal performance

01: Number of indoor units in good relationship

02: outdoor unit running mode

03: HP capacity of an indoor unit

04: B Indoor Unit Capacity HP

05: C indoor unit capacity HP

06: D indoor unit capacity HP

07: E indoor unit capacity H.P.

08: An Indoor Unit Capacity Demand Code

09: B Indoor Unit Capacity Demand Code

10: C Indoor Unit Capacity Demand Code

11: D Indoor Unit Capacity Demand Code

12: e indoor unit capacity demand code

13: Total Indoor Units Modification Capacity Demand Code

14: Target Frequency, Demand Capacity Capacity for Total Indoor Units

15: Target frequency after frequency range

16: Compressor control chip is for sending target frequency

17: An indoor unit evaporator outlet temp.

18: B indoor unit evaporator outlet temp.

19: C indoor unit evaporator outlet temp

20: D indoor unit evaporator outlet temp.

21: e indoor unit evaporator outlet temp.

22: An indoor unit room tem.

23: B indoor unit room tem.

24: C indoor unit room tem.

25: D indoor unit room tem.

26: e indoor unit room tem.

27: An indoor unit evaporator temp.

28: B indoor unit evaporator temp.

29: C indoor unit evaporator temp.

30: D indoor unit evaporator temp.

31: E indoor unit evaporator temp.

32: Condenser Pipe Temp. (T3)

33: Outdoor Temperry. (T4)

34: Compressor Discharge Temp. (Tp)

35: AD value 0f current

36: AD value of voltage

37: EEV open angle forA indoor unit

38: B EEV open angle for indoor unit

EEV open angle for 39: C indoor unit

EEV open angle for 40: D indoor unit

41: EEV open angle for E indoor unit

42: frequency limit symbol

43: average value of T2

44: outer fan speed

45: Last error or security code

Error Code: 0C

Reason for Operation: Disconnection of short–circuit or room temperature sensor (TA sensor).

Error Code: 0D

Reason for operation: out of place, disconnection, short-circuit, or migration of heat exchanger sensor (TC sensor)

Error Code: 11

Reason for operation: trouble with indoor fan lock or indoor fan circuit

Error Code: 12

Reason for operation: Other indoor P.C. Trouble on. The boards

Error Code: 04

Reason for Operation: The serial signal returned from the started operation is not sent to the indoor side. (1) Defective wiring of connecting cable (2) Operation of compressor thermo. Gas shortage gas leakage

Error Code: 05

Reason for Operation: The operation command signal is not sent to the outer side.

Error Code: 14

Reason for Operation: The inverter operates an over–current protective circuit. (Less time)

Error Code: 16

Reason for operation: Position-detect circuit error or short-circuit between windings of the compressor

Error Code: 17

Reason for operation: current-address circuit error

Error Code: 18

Reason for operation: Out of place, disconnected or short-circuited outdoor tem. The sensor

Error Code: 19

Reason for operation: Disconnection or short-circuit of discharge tem. The sensor

Error Code: 1A

Reason for operation: outdoor fan drive system error

Error Code: 1B

Reason for operation: outdoor heat exchanger temp. Sensor error

Error Code: 1C

Reason for operation: compressor drive output error, compressor error (lock, missing etc.), break down

Error Code: 07

Reason for Operation: The return serial signal has been sent when the operation started, but has not been sent halfway through.

Error Code: 1D

Reason for operation: The compressor does not rotate.

Error Code: 1E

Reason for Operation: Discharge Temp. Exceeded 117 ° C

Error Code: 1F

Reason for operation: breakdown of the compressor.

Error Code: 08

Reason for operation: four-way valve inversion error.

Code: 1 heat exchanger sensor (TE) error

Code: 2 suction sensor (TS) error

Code: 3 Hot Gas Discharge Sensor (TD) ERMR

Code: 4 high pressure proteomian error

Code: 5 outdoor air temperature sensor error (TO)

Code: 6 outdoor DC fan motor error

Code: 7 communication error between IPDU (abnormal stop)

Code: 8 high pressure release operation

Code: 9 Discharge Temp. Error: hot gas is too high

Code: 10 EEPROM Error

Code: 11 Communication error between IPDU (no abnormal stop)

Code: 12 G-Tr short-circuit protection

Code: 13 Find circuit error

Code: 14 current sensor error

Code: 15 comp. Lock error

Code: 16 COMP. the division

Inner detachment:

Code: 2 compaction pump failure or drainage failure

Code: 3 Indoor Unit Room Air Sensor Fault.

Code: 4 Indoor Unit TC Coil Sensor Fault.

Code: 10 Indoor Unit Software Fault (EEPROM Corrupt)

Code: 12 Indoor Unit Software Fault (Address / Zone Corrupt)

Code: 14 loss of signal from CDU

Code: 15 Indoor Unit Tcj Coil Sensor Fault

Code: 18 outdoor unit control box faults (G-Tr short circuit protection)

Code: 20 status check circuit error

Code: 21 outdoor unit current sensor fault

Code: 22 outdoor unit heat exchange sensor fault

Code: 23 outdoor unit discharge temperature sensor fault

Code: 24 Outdoor Unit Fan Fault

Code: 26 other external unit fault

Code: 27 outdoor unit compressor lock

Code: 28 outdoor unit discharge temperature defect

Code: 29 outdoor unit compressor breakdown

Code: 31 outdoor unit high temperature release