Voltas Error Codes
51 Voltas fault codes. Select a code for the meaning, cause and fix.
- E0 Outdoor EE Fault
- E1 Indoor Fan Fault
- E2 Indoor Fan Zero-Crossing Detection Abnormal
- E3 Indoor Coil Fault and Sensor Fault
- E4 Indoor Ambient Temperature Sensor Fault
- E6 Indoor and Outdoor Machine Communication Fault
- E8 Outdoor Communication Fault
- EC07 Outdoor Fan Speed Outside Normal Range (some models)
- EC51 Outdoor Unit EEPROM Parameter Error (some models)
- EC52 Condenser Coil Temperature Sensor T3 Open/Short
- EC53 Outdoor Room Temperature Sensor T4 Open/Short
- EC54 Compressor Discharge Temperature Sensor TP Open/Short
- EE Indoor Machine EE Fault
- EH00 Indoor Unit EEPROM Parameter Error
- EH0b Indoor PCB/Display Board Communication Error (some models)
- EH02 Zero-Crossing Signal Detection Error (some models)
- EH03 Indoor Fan Speed Outside Normal Range
- EH60 Indoor Room Temperature Sensor T1 Open/Short
- EH61 Evaporator Coil Temperature Sensor T2 Open/Short
- EL0C Refrigerant Leak Detected
- EL01 Indoor/Outdoor Unit Communication Error
- F1 Compressor Starting Abnormal (Phase Failure, Reverse)
- F2 Compressor Out-of-Step Fault
- F3 IPM Module Fault
- F4 Compressor Shell Roof Fault/Protection
- F5 Discharge Temperature Sensor Fault
- F6 Suction Temperature Sensor Fault
- F7 Outdoor Coil Temperature Sensor Fault
- F8 Outdoor Ambient Temperature Sensor Fault
- F9 Outdoor DC Fan Fault
- L1 Drive Bus Voltage Over-High Protection
- L2 Drive Bus Voltage Over-Low Protection
- L3 Drive Phase Current Overload Fault
- L4 Phase Current Sampling Abnormal
- P1 Outdoor Machine AC Current Protection
- P2 Compressor Phase Current Protection
- P3 Outdoor Unit Over-High/Over-Low AC Voltage Protection
- P4 DC Voltage Over-High or Over-Low Voltage Protection
- P5 IPM Over-High Temperature Protection
- P6 Discharge Temperature Overheat Protection
- P7 Cooling Indoor Coil Anti-Freezing Protection
- P8 Cooling Outdoor Coil Overheat Protection
- P9 Heating Indoor Coil Overheat Protection
- PC Cooling Outdoor Ambient Temperature Over-Low Protection
- PC00 IPM Malfunction or IGBT Over-Strong Current Protection
- PC01 Over Voltage or Over-Low Voltage Protection
- PC02 IPM Module High Temperature or High Pressure Protection
- PC03 Low Pressure Protection (some models)
- PC04 Inverter Compressor Drive Error
- PC08 Current Overload Protection (some models)
- PH Heating Outdoor Ambient Temperature Over-High Protection