Carrier Air Conditioning Error Code Solution|How to Reset a Carrier Air Conditioner
Carrier Air Conditioning Error Code
Carrier Air Conditioning Error Code
EO-(OL 1 Time)Indoor unit EEPROM parameter error.
E1-(OL 2 Time)Indoor / outdoor units communication error.
E3-(OL 4 Time)The speed of the indoor fan has gone out of control.
E4-(OL 5 Time)Indoor room temperature sensor T1 open circuit or short circuit.
E5-(OL 6 Time)Evaporator coil temperature sensor T2 open circuit or short circuit.
EC-(OL 7 Time) Refrigerant leak detection.
F1-(OL 2 Time,TL on)Outdoor ambient temperature sensor T4 open circuit or short
F2-(OL 3 Time TL on)circuit. Condenser coil temperature sensor T3 open circuit or short circuit.
F3-(OL 4 Time,TL on) Compressor discharge temperature sensor T5 open circuit or short circuit.
F4-(OL 5 Time,TL on)Outdoor unit EEPROM parameter error.
F5-(OL 6 Time,TL on)The speed of the outdoor fan is out of control.
P0-(OL 1 Time,TL flash)Strong current protection over IPM malfunction or IGBT.
P1-(OL 2 Time,TL flash)Over voltage or low voltage protection.
P2-(OL 3 Time,TL flash)High temperature protection of compressor top diagnostics and solutions.
P4-(OL 4 Time,TL flash)Inverter compressor drive error.
F8-(OLF 9 Time)Compressor Suction Temperature sensor defective.
L3-(OLF 33 Time)Drive Phase current overload defective.
L4-(OLF 34 Time)Phase Current Sampling defective.
FO-(OLF 13 Time)Outdoor AC Current protection.
L1-(OLF 31 Time)Drive bus voltage overload protection.
L2-(OLF 32 Time)Drive bus voltage overlow protection.
P5-(OLF 14 time)Compressor phase current protection.
P6-(OLF 16 Time)Outdoor over high/over-low DC voltage protection.
P7-(OLF 17 Time)IPM Temperature over heat protection.
P8-(OLF 18 Time)Compressor discharge Temperature overheat protection.
P9-(OLF 19 Time)Cooling indoor Unit anti-freezing protection.
PU-(OLF 20 Time)Cooling Outdoor Coil over heat protection.
PE-(OLF 21 Time)Heating inddoor Coil over heat protection.
PC-(OLF 22 Time)Cooling outdoor ambient Temperature over-low protection.
PH-(OLF 23 Time)Heating outdoor ambient Temperature over-high protection.
E2-(OLF 27 Time)Zero crossing signal detection error.
Carrier Air Conditioning Error Code
OLF(Outdoor LED Flash) ,OL (Operation Lamp ,TL(Timer Lamp)
How to Reset a Carrier Air Conditioner
1.-Locate the “Reset” button on the control panel of the air conditioner.
2.-Hold the “Reset” button for 3 seconds and then release.
3.-Press and hold the “Reset” button for another 3 seconds – this time there should be a light flash on the display.
4.-Wait a few moments while the unit resets.
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