Blue Star AC is one of the most popular air conditioners used in India and around the world by thousands of people. Often, these ACs run into technical problems where they can stop functioning or not function properly. When such an error happens, the AC screen or the AC remote displays an error code. This error code can help consumers to determine what the problems with their AC are. Read on to see the complete Blue Star AC error codes list.
Blue Star AC Error Codes List
Whenever Blue Star ACs throw up error codes on the screen, the consumers have no idea what these error codes mean. If the consumers know what the error codes mean they can help to diagnose the problem in their AC. We have compiled a list of all Blue Star AC error codes and what they mean for your convenience. If the consumers know the problems they are facing, they can relay accurate information to the maintenance team or repair the AC unit themselves. Here is the complete list of Blue Star AC Error Codes.
| SL No. | Error Code | Error Description | Reset |
|---|---|---|---|
| 1 | A0 | AC Over Voltage Error | Auto |
| 2 | A1 | AC Under-Voltage Error | Auto |
| 3 | A2 | Single Phasing Error | Auto |
| 4 | A7 | Phase Imbalance Error | Auto |
| 5 | b0 | Inv Compressor 1 Over Load Error | Auto |
| 6 | b1 | Inv Compressor 2 Over Load Error | Auto |
| 7 | b6 | Inv Compressor 1 Over Current Error | Auto |
| 8 | b7 | Inv Compressor 2 Over Current Error | Auto |
| 9 | b8 | Inverter Drive 1 Over Heat Error | Auto |
| 10 | b9 | Inverter Drive 1 Over Heat Error | Auto |
| 11 | bA | Inverter Drive 1 Start Error | Auto |
| 12 | bb | Inverter Drive 2 Start Error | Auto |
| 13 | bC | ODU Fan Motor 1 Feedback Error | Auto |
| 14 | bd | ODU Fan Motor 1 Feedback Error | Auto |
| 15 | C1 | Communication Error (Between ODU Control Board & ODU Power Board) |
Manual Check |
| 16 | C2 | Communication Error (Between ODU Control Board & ODU Fan Board) |
Manual Check |
| 17 | C3 | Communication Error (Between Master and slave ODUs) | Manual Check |
| 18 | C4 | Communication Error (Between Master and slave IDUs) | ON IDUs supply & Manual Check |
| 19 | C5 | Communication Error (Between IDUs & Wired Handset Remote) | Manual Check |
| 20 | C6 | Auto-Addressing Error | Manual Check |
| 21 | C7 | Communication Error( Inverter Drive 1) | Manual Check |
| 22 | C8 | Communication Error( Inverter Drive 2) | Manual Check |
| 23 | C9 | Communication Error on some other IDU (Displayed on IDUs without communication error) |
Manual Check |
| 24 | d0 | Inverter Drive 1 DC Over Voltage error | Auto |
| 25 | d1 | Inverter Drive 2 DC Oveer Voltage error | Auto |
| 26 | d2 | Inverter Drive 1 DC Under Voltage error | Auto |
| 27 | d3 | Inverter Drive 2 DC Under Voltage error | Auto |
| 28 | d8 | Inverter Drive 1 Over Heat Error | Manual |
| 29 | d9 | Inverter Drive 2 Over Heat Error | Manual |
| 30 | dA | Inverter Drive 1 Start error | Manual |
| 31 | db | Inverter Drive 2 Start error | Manual |
| 32 | dC | Inv Compressor 1 Over Current Error | Manual |
| 33 | dd | Inv Compressor 2 Over Current Error | Manual |
| 34 | dE | Inverter Drive Mismatch Error | Manual |
| 35 | E1 | HP Switch Trip error | Auto |
| 36 | E2 | HP Switch Trip for 3rd time in One Hour | Manual |
| 37 | E3 | L P Error | Auto |
| 38 | E4 | LP Error for 3rd time | Manual |
| 39 | E5 | Inv Compressor 1 High DLT (Discharge Line Temperature) | Auto |
| 40 | E6 | Inv Compressor 2 High DLT (Discharge Line Temperature) | Auto |
| 41 | E8 | Inv Compressor 1 High DLT (Discharge Line Temperature) for 4th time | Manual |
| 42 | E9 | Inv Compressor 2 High DLT (Discharge Line Temperature) for 4th time | Manual |
| 43 | Eb | ODU Fan Motor 1 feedback Error | Manual |
| 44 | EE | ODU Fan Motor 2 feedback Error | Manual |
| 45 | EC | Inv Compressor 1 Over Load Error | Manual |
| 46 | Ed | Inv Compressor 2 Over Load Error | Manual |
| 47 | F1 | Ambient Temp. Sensor Failure | Manual Check |
| 48 | F2 | DLT (Discharge Line Temperature) Inv. Compressor 1 Sensor Failure | Manual Check |
| 49 | F3 | DLT (Discharge Line Temperature) Inv. Compressor 2 Sensor Failure | Manual Check |
| 50 | F5 | ODU Liq. Temp. (Hex1) Sensor Failure | Manual Check |
| 51 | F6 | ODU Gas Temp. (Hex1) Sensor Failure | Manual Check |
| 52 | F7 | ODU Liq. Temp. (Hex1) Sensor Failure | Manual Check |
| 53 | F8 | ODU Gas Temp. (Hex1) Sensor Failure | Manual Check |
| 54 | F9 | HP Sensor Failure | Manual Check |
| 55 | FA | LP Sensor Failure | Manual Check |
| 56 | Fb | Fire Alarm from ODU | Manual Check |
| 57 | Fc | Fire Alarm from IDU | Manual Check |
| 58 | U3 | IDU Room Temp Sensor Failure (Displayed on IDU) | Manual Check |
| 59 | U4 | IDU Liquid Temp Sensor Failure (Displayed on IDU) | Manual Check |
| 60 | U5 | IDU Gas Temp Sensor Failure (Display on IDU) | Manual Check |
| 61 | U6 | IDU Supply Temp Sensor Failure (Display on IDU) | Manual Check |
| 62 | U7 | IDU Float Switch Error (Display on IDU) | Manual Check |
| 63 | U8 | IDU Fan Motor Error (Display on IDU) | Manual Check |
| 64 | U9 | Mode conflict Error (Display on IDU) | Manual Check |
Inverter ac error code