Carrier Ac Error Codes

AC BrandsCarrier

Listed here is the CARRIER Ac Error Codes and how to troubleshoot. The CARRIER AC Error Codes tells you that there is an issue. This CARRIER AC Error Code will tell you weather the error is from withing the AC or is it due to something external unit. If you know the Meaning of the Error code then it will be very easy to troubleshoot and resolve the issue and fix CARRIER AC quickly and easily. Just Check the manual, then get it serviced or have it repaired or replace it.

We have given the Error Code List for CARRIER Air Conditioners.You Can Also Download Our Android Application From Google Play Store And Search Worldwide Ac Brands Error Codes In Your Mobile.

If You Not Clear To Read All Of This So You Can Contact Us Or Visit Our Official Youtube Channel Or FaceBook Page.

Inside Error Codes

Error CodeProblem
E0Indoor unit EEPROM parameter error
E1Indoor / outdoor units communication error
E3Indoor fan speed has been out of control
E4Indoor room temperature sensor T1 open circuit or shortcircuit
E4Evaporator coil temperature sensor T2 open circuit or short circuit
ECRefrigerant Leakage Detection
F1Outdoor ambient temperature sensor T4 open circuit or short circuit
F2Condenser coil temperature sensor T3 open circuit or short circuit
F3Compressor discharge temperature sensor T5 open circuit or short circuit
F4Outdoor unit EEPROM parameter error
F5Outdoor fan speed has been out of control
P0IPM malfunction or IGBT over-strong current protection
P1Over voltage or over low voltage protection
P2High temperature protection of compressor top diagnosis and solution
P4Inverter compressor drive error
P5Mode conflict
P6Compressor voltage protection
Outside Error Codes
Error CodeProblem
E0Outdoor EEPROM malfunction
E2Indoor/outdoor units communication error
E3Communication malfunction between IPM board and outdoor main board
E4Open or short circuit of outdoor unit temperature sensor
E5Voltage protection
E8Outdoor fan speed malfunction
F1No A Indoor unit coil outlet temperature sensor or connector of sensor is defective
F2No B Indoor unit coil outlet temperature sensor or connector of sensor is defective
F3No C Indoor unit coil outlet temperature sensor or connector of sensor is defective
F4No D Indoor unit coil outlet temperature sensor or connector of sensor is defective
F5No E Indoor unit coil outlet temperature sensor or connector of sensor is defective
P1No E Indoor unit coil outlet temperature sensor or connector of sensor is defective
P2Low pressure protection
P3Current protection of compressor
P4Temperature protection of compressor
P5High temperature protection of condenser
P6IPM module protection

Carrier Ac Error Codes And Troubleshooting Method

Outdoor Check Function

Normal display

Number of indoor units in good connection

Outdoor unit running mode

An indoor unit capacity HP

B indoor unit capacity HP

C indoor unit capacity HP

D Indoor unit capacity HP

E indoor unit capacity HP

An Indoor unit capacity demand code

B Indoor unit capacity demand code

C Indoor unit capacity demand code

D Indoor unit capacity demand code

E Indoor unit capacity demand code

Total indoor units amendatory capacity demand code

Target frequency after the frequency limit

An indoor unit evaporator outlet temp.

B indoor unit evaporator outlet temp.

C indoor unit evaporator outlet temp

D indoor unit evaporator outlet temp.

E indoor unit evaporator outlet temp.

An indoor unit room temp.

B indoor unit room temp.

C indoor unit room temp.

D indoor unit room temp.

E indoor unit room temp.

An indoor unit evaporator temp.

B indoor unit evaporator temp.

C indoor unit evaporator temp.

D indoor unit evaporator temp.

E indoor unit evaporator temp.

Condenser pipe temp.(T3)

Outdoor ambient temp.(T4)

Compressor discharge temp.(Tp)

AD value 0f current

AD value of voltage

Open EEV-angle forA indoor unit

EEV open-angle for B indoor unit

EEV open-angle for C indoor unit

Open EEV-angle for D Indoor unit

EEV open-angle for E indoor unit

Frequency limit symbol

The average value of T2

Outdoor fan speed

The last error or protection code Of Ac.


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