Blue Star Error Codes
60 Blue Star fault codes. Select a code for the meaning, cause and fix.
- b5 Inlet Tube Sensor Malfunction
- b7 Outlet Tube Sensor Malfunction
- C5 Jumper Cap Malfunction Protection
- E0 IDU EEPROM Error
- E1 ODU Coil Medium-High Error
- E2 IDU Coil Frozen Protection
- E4 Discharge Temp-High Error
- E5 AC Input Over Current Protection
- E6 Communication Error
- E8 Zero Crossing Error
- EC Refrigerant Leak Detection
- EE ODU EEPROM Error
- EU IPM Over Temperature Limit / Drop Frequency
- F1 Indoor Room Temperature Sensor Error
- F2 IDU Coil Temp Sensor Error
- F3 Ambient Temp. Sensor Error
- F4 ODU Coil Temp. Sensor Error
- F5 ODU Discharge Temp. Sensor Error
- F6 Over Load Limit / Drop Frequency
- F8 Over Current Limit / Drop Frequency
- F9 High Exhaust Temp Limit / Drop Frequency
- FA Over Tube Temperature Drop Frequency
- FC Door Malfunction
- FE Compressor Overload Sensor Malfunction
- FH Anti-Freezing Limit / Drop Frequency
- H0 Heating Anti-High Temp Drop Frequency
- H1 Defrosting
- H2 Static Clearing Dust Protection
- H3 Compressor Over Load Protection
- H4 System Abnormal Protection
- H5 IPM Protection
- H6 IDU Fan Motor Error
- H7 Compressor Loss Step Protection
- HC PFC Protection
- HE Compressor Demagnetization Protection
- L1 Drive Phase Voltage Overload Protection
- L2 Drive Phase Voltage Over-Low Protection
- L3 Outdoor DC Fan Fault
- L4 Phase Current Sampling Abnormal
- LC Compressor Startup Failure
- Ld Compressor Loss of Phase Protection
- LE Compressor Locked Rotary Protection
- P3 Drive Phase Current Overload Fault
- P4 DC Bus-Bar High/Low Voltage Protection
- P5 Compressor Phase Current Protection
- P6 Communication Failure Between Main Board and Driver Board
- P7 IPM Error
- P8 IPM Over-High Temperature Protection
- Pc Current Detect Circuit / Sensor Malfunction
- PH AC Overvoltage & Undervoltage Protection
- PL Low PN Voltage Protection
- PU Capacitor Charge Malfunction
- U1 Compressor Phase Current Detection Circuit Malfunction
- U2 Compressor Protection Against Loss of Phase
- U3 PN Voltage Drop Protection
- U4 Compressor Reverse Protection
- U5 AC Current Detect Circuit Malfunction
- U7 4-Way Valve Reversal Abnormal
- U8 Disconnection of Exhaust Temperature Sensor
- U9 AC Power Zero Voltage Detect Error