| Error Code |
Error Description |
Reset |
| A0 |
AC Over Voltage Error |
Auto |
| A1 |
AC Under-Voltage Error |
Auto |
| A2 |
Single Phasing Error |
Auto |
| A7 |
Phase Imbalance Error |
Auto |
| b0 |
Inv Compressor 1 Over Load Error |
Auto |
| b1 |
Inv Compressor 2 Over Load Error |
Auto |
| b6 |
Inv Compressor 1 Over Current Error |
Auto |
| b7 |
Inv Compressor 2 Over Current Error |
Auto |
| b8 |
Inverter Drive 1 Over Heat Error |
Auto |
| b9 |
Inverter Drive 1 Over Heat Error |
Auto |
| bA |
Inverter Drive 1 Start Error |
Auto |
| bb |
Inverter Drive 2 Start Error |
Auto |
| bC |
ODU Fan Motor 1 Feedback Error |
Auto |
| bd |
ODU Fan Motor 1 Feedback Error |
Auto |
| C1 |
Communication Error (Between ODU Control Board & |
Manual |
|
ODU Power Board) |
Check |
| C2 |
Communication Error (Between ODU Control Board & |
Manual |
|
ODU Fan Board) |
Check |
| C3 |
Communication Error (Between Master and slave ODUs) |
Manual |
|
|
Check |
| C4 |
Communication Error (Between Master and slave IDUs) |
ON IDUs supply |
|
|
& Manual Check |
| C5 |
Communication Error (Between IDUs & Wired Handset Remote) |
Manual |
|
|
Check |
| C6 |
Auto-Addressing Error |
Manual |
|
|
Check |
| C7 |
Communication Error( Inverter Drive 1) |
Manual |
|
|
Check |
| C8 |
Communication Error( Inverter Drive 2) |
Manual |
|
|
Check |
| C9 |
Communication Error on some other IDU |
Manual |
|
(Displayed on IDUs without communication error) |
Check |
| d0 |
Inverter Drive 1 DC Over Voltage error |
Auto |
| d1 |
Inverter Drive 2 DC Oveer Voltage error |
Auto |
| d2 |
Inverter Drive 1 DC Under Voltage error |
Auto |
| d3 |
Inverter Drive 2 DC Under Voltage error |
Auto |
| d8 |
Inverter Drive 1 Over Heat Error |
Manual |
| d9 |
Inverter Drive 2 Over Heat Error |
Manual |
| dA |
Inverter Drive 1 Start error |
Manual |
| db |
Inverter Drive 2 Start error |
Manual |
| dC |
Inv Compressor 1 Over Current Error |
Manual |
| dd |
Inv Compressor 2 Over Current Error |
Manual |
| dE |
Inverter Drive Mismatch Error |
Manual |
| E1 |
HP Switch Trip error |
Auto |
| E2 |
HP Switch Trip for 3rd time in One Hour |
Manual |
| E3 |
L P Error |
Auto |
| E4 |
LP Error for 3rd time |
Manual |
| E5 |
Inv Compressor 1 High DLT (Discharge Line Temperature) |
Auto |
| E6 |
Inv Compressor 2 High DLT (Discharge Line Temperature) |
Auto |
| E8 |
Inv Compressor 1 High DLT (Discharge Line Temperature) for 4th time |
Manual |
| E9 |
Inv Compressor 2 High DLT (Discharge Line Temperature) for 4th time |
Manual |
| Eb |
ODU Fan Motor 1 feedback Error |
Manual |
| EE |
ODU Fan Motor 2 feedback Error |
Manual |
| EC |
Inv Compressor 1 Over Load Error |
Manual |
| Ed |
Inv Compressor 2 Over Load Error |
Manual |
| F1 |
Ambient Temp. Sensor Failure |
Manual Check |
| F2 |
DLT (Discharge Line Temperature) Inv. Compressor 1 Sensor Failure |
Manual Check |
| F3 |
DLT (Discharge Line Temperature) Inv. Compressor 2 Sensor Failure |
Manual Check |
| F5 |
ODU Liq. Temp. (Hex1) Sensor Failure |
Manual Check |
| F6 |
ODU Gas Temp. (Hex1) Sensor Failure |
Manual Check |
| F7 |
ODU Liq. Temp. (Hex1) Sensor Failure |
Manual Check |
| F8 |
ODU Gas Temp. (Hex1) Sensor Failure |
Manual Check |
| F9 |
HP Sensor Failure |
Manual Check |
| FA |
LP Sensor Failure |
Manual Check |
| Fb |
Fire Alarm from ODU |
Manual Check |
| Fc |
Fire Alarm from IDU |
Manual Check |
| U3 |
IDU Room Temp Sensor Failure (Displayed on IDU) |
Manual Check |
| U4 |
IDU Liquid Temp Sensor Failure (Displayed on IDU) |
Manual Check |
| U5 |
IDU Gas Temp Sensor Failure (Display on IDU) |
Manual Check |
| U6 |
IDU Supply Temp Sensor Failure (Display on IDU) |
Manual Check |
| U7 |
IDU Float Switch Error (Display on IDU) |
Manual Check |
| U8 |
IDU Fan Motor Error (Display on IDU) |
Manual Check |
| U9 |
Mode conflict Error (Display on IDU) |
Manual Check |
