Blue Star Invertor AC Error Code List PDF

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Blue Star Invertor AC Error Code List - Summary

Blue Star Home appliance company is one of the most popular combines in this sector. Blue Star Ltd is an Indian multinational home appliances company that is providing its amazing products for consumers with quality servicing. The headquartered of the Blue Star company is situated in Mumbai.

Blue Star but mainly this company is very successful in air conditioning and commercial refrigeration and MEP. The company was founded in 1943. This company earned a total revenue of 5,404 crores INR of US$680 million, in 2020. It is the country’s second-largest homegrown player in the air conditioning space.

Blue Star AC Error Code List

Error CodeError DescriptionReset
A0AC Over Voltage ErrorAuto
A1AC Under-Voltage ErrorAuto
A2Single Phasing ErrorAuto
A7Phase Imbalance ErrorAuto
b0Inv Compressor 1 Over Load ErrorAuto
b1Inv Compressor 2 Over Load ErrorAuto
b6Inv Compressor 1 Over Current ErrorAuto
b7Inv Compressor 2 Over Current ErrorAuto
b8Inverter Drive 1 Over Heat ErrorAuto
b9Inverter Drive 1 Over Heat ErrorAuto
bAInverter Drive 1 Start ErrorAuto
bbInverter Drive 2 Start ErrorAuto
bCODU Fan Motor 1 Feedback ErrorAuto
bdODU Fan Motor 1 Feedback ErrorAuto
C1Communication Error (Between ODU Control Board &Manual
ODU Power Board)Check
C2Communication Error (Between ODU Control Board &Manual
ODU Fan Board)Check
C3Communication Error (Between Master and slave ODUs)Manual
Check
C4Communication Error (Between Master and slave IDUs)ON IDUs supply
& Manual Check
C5Communication Error (Between IDUs & Wired Handset Remote)Manual
Check
C6Auto-Addressing ErrorManual
Check
C7Communication Error( Inverter Drive 1)Manual
Check
C8Communication Error( Inverter Drive 2)Manual
Check
C9Communication Error on some other IDUManual
(Displayed on IDUs without communication error)Check
d0Inverter Drive 1 DC Over Voltage errorAuto
d1Inverter Drive 2 DC Oveer Voltage errorAuto
d2Inverter Drive 1 DC Under Voltage errorAuto
d3Inverter Drive 2 DC Under Voltage errorAuto
d8Inverter Drive 1 Over Heat ErrorManual
d9Inverter Drive 2 Over Heat ErrorManual
dAInverter Drive 1 Start errorManual
dbInverter Drive 2 Start errorManual
dCInv Compressor 1 Over Current ErrorManual
ddInv Compressor 2 Over Current ErrorManual
dEInverter Drive Mismatch ErrorManual
E1HP Switch Trip errorAuto
E2HP Switch Trip for 3rd time in One HourManual
E3L P ErrorAuto
E4LP Error for 3rd timeManual
E5Inv Compressor 1 High DLT (Discharge Line Temperature)Auto
E6Inv Compressor 2 High DLT (Discharge Line Temperature)Auto
E8Inv Compressor 1 High DLT (Discharge Line Temperature) for 4th timeManual
E9Inv Compressor 2 High DLT (Discharge Line Temperature) for 4th timeManual
EbODU Fan Motor 1 feedback ErrorManual
EEODU Fan Motor 2 feedback ErrorManual
ECInv Compressor 1 Over Load ErrorManual
EdInv Compressor 2 Over Load ErrorManual
F1Ambient Temp. Sensor FailureManual Check
F2DLT (Discharge Line Temperature) Inv. Compressor 1 Sensor FailureManual Check
F3DLT (Discharge Line Temperature) Inv. Compressor 2 Sensor FailureManual Check
F5ODU Liq. Temp. (Hex1) Sensor FailureManual Check
F6ODU Gas Temp. (Hex1) Sensor FailureManual Check
F7ODU Liq. Temp. (Hex1) Sensor FailureManual Check
F8ODU Gas Temp. (Hex1) Sensor FailureManual Check
F9HP Sensor FailureManual Check
FALP Sensor FailureManual Check
FbFire Alarm from ODUManual Check
FcFire Alarm from IDUManual Check
U3IDU Room Temp Sensor Failure (Displayed on IDU)Manual Check
U4IDU Liquid Temp Sensor Failure (Displayed on IDU)Manual Check
U5IDU Gas Temp Sensor Failure (Display on IDU)Manual Check
U6IDU Supply Temp Sensor Failure (Display on IDU)Manual Check
U7IDU Float Switch Error (Display on IDU)Manual Check
U8IDU Fan Motor Error (Display on IDU)Manual Check
U9Mode conflict Error (Display on IDU)Manual Check

Blue Star Inverter AC Error Codes List

Sr.No.AC Error CodeCode Description
1E1High-Pressure Protection of System
2E2Antifreezing Protection
3E3Low-Pressure Protection of System
4E4High Discharge Temperature Protection of Compressor
5E5Overcurrent Protection
6E6Communication Malfunction
7E8High-Temperature Resistant Protection
8EEEEPROM Malfunction
9EULimit Frequency due to High Temperature of Module
10C5Malfunction Protection of Jumper Cap
11F0Gathering Refrigerant
12F1Indoor Temperature Sensor is Short Circuited
13F2IndoorEvaporator Temperature Sensor is short Circuited
14F3Outdoor Ambient Temperature Sensor is Short Circuited
15F4Outdoor Condensor Temperature is Short Circuited
16F5Outdoor Discharge Temperature Sensor is Short Circuited
17F6Limit Frequency due to Over Load
18F8Limit Frequency due to Overcurrent
19F9Limit / Decrease Frequency due to High Air Discharge
20FHLimit Frequency due to Antifreezing
21PHDC Bus Bar Voltage is High
22PLDC Bus Bar Voltage is Low
23P5Overcurrent Protection of Phase Current for Compressor
24PUCapacitor Charging Malfunction
25P7Module Temperature Sensor Circuit Malfunction
26H3Overload Protection for Compressor
27H5IPM protection
28P8Module Temperature is too High
29H6Fan Motor Not Operating
30H7Compressor Desynchronizing
31HCPFC Protection
32L3Outdoor DC Fan Motor Not Working
33L9Power Protection
34LPIndoor and Outdoor Unit does not Match
35LCFailure startup
36U1Malfunction of Phase Current detection for Compressor
37U3Malfunction of Voltage Dropping for DC Bus bar
38U5Gas Leakage
39U7Four-way valve is not normal
40U8Zero cross Detection Circuit malfunction

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