CARRIER INVERTER AIR CONDITIONER ERROR CODES

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Error Code

Outdoor Light Flash times

Description

OUTDOOR   FAULT

F4

1

      Outdoor EEPROM fault

E1

2

Indoor to Outdoor communication fault

P4

4

Compressor starting abnormal

P4

5

Compressor out-of-step abnormal

P0

6

IPM module fault

P2

7

Compressor shell  temperature overheat protection

F3

8

Compressor discharge temperature overheat protection

F8

9

Compressor suction temperature sensor fault

F2

10

Outdoor condenser temperature sensor fault

F1

11

Outdoor ambient temperature sensor fault

F5

12

Outdoor DC fan motor fault

L3

33

Drive phase current overload fault

L4

34

Phase current sampling fault

PROTECTION

F0

13

Outdoor AC current protection

P5

14

Compressor phase current protection

P1

15

Outdoor unit over-high/over-low AC voltage protection

P6

16

Outdoor unit over-high/over-low DC voltage protection

P7

17

IPM temperature overheat protection

P8

18

Compressor discharge temperature overheat protection

P9

19

Cooling indoor unit coil anti-freezing protection

PU

20

Cooling outdoor coil overheat protection

PE

21

Heating indoor coil overheat protection

PC

22

Cooling outdoor ambient temperature over-low protection

PH

23

Heating outdoor ambient temperature over-low protection

L1

31

Drive bus voltage overload protection

L2

32

Drive bus voltage over-low protection

INDOOR   FAULT

E0

25

Indoor unit EEPROM fault

E3

26

Indoor fan motor fault

E2

27

Indoor PCB zero-crossing fault

E5

28

Indoor evaporator temperature sensor fault

E4

29

Indoor room air temperature sensor fault

EC

30

Refrigerant Leakage Detection
There are many models in Carrier Inverter Air conditioner but this model PCB(1.5 ton)  is very much popular than others.




Fig no.1





                     

 


The above-given picture is of the Carrier Inverter model Air Conditioner(Outdoor PCB). The error codes are of this model PCB. This PCB is literally used in other Inverter Model Air conditioners like Reconnect, Voltas, etc. But the errors are only of the Carrier model PCB. Errors codes are different for Reconnect and Voltas.

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