Blue Star Invertor AC Error Code List PDF

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Blue Star Invertor AC Error Code List

Blue Star Invertor AC Error Code List

Blue Star AC Error Code List for the Latest Models

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

Blue Star Split AC Error Codes List

Sr.No. AC Error Code Code Description
1 E1 High-Pressure Protection of System
2 E2 Antifreezing Protection
3 E3 Low-Pressure Protection of System
4 E4 High Discharge Temperature Protection of Compressor
5 E5 Overcurrent Protection
6 E6 Communication Malfunction
7 E8 High-Temperature Resistant Protection
8 EE EEPROM Malfunction
9 EU Limit Frequency due to High Temperature of Module
10 C5 Malfunction Protection of Jumper Cap
11 F0 Gathering Refrigerant
12 F1 Indoor Temperature Sensor is Short Circuited
13 F2 IndoorEvaporator Temperature Sensor is short Circuited
14 F3 Outdoor Ambient Temperature Sensor is Short Circuited
15 F4 Outdoor Condensor Temperature is Short Circuited
16 F5 Outdoor Discharge Temperature Sensor is Short Circuited
17 F6 Limit Frequency due to Over Load
18 F8 Limit Frequency due to Overcurrent
19 F9 Limit / Decrease Frequency due to High Air Discharge
20 FH Limit Frequency due to Antifreezing
21 PH DC Bus Bar Voltage is High
22 PL DC Bus Bar Voltage is Low
23 P5 Overcurrent Protection of Phase Current for Compressor
24 PU Capacitor Charging Malfunction
25 P7 Module Temperature Sensor Circuit Malfunction
26 H3 Overload Protection for Compressor
27 H5 IPM protection
28 P8 Module Temperature is too High
29 H6 Fan Motor Not Operating
30 H7 Compressor Desynchronizing
31 HC PFC Protection
32 L3 Outdoor DC Fan Motor Not Working
33 L9 Power Protection
34 LP Indoor and Outdoor Unit does not Match
35 LC Failure startup
36 U1 Malfunction of Phase Current detection for Compressor
37 U3 Malfunction of Voltage Dropping for DC Bus bar
38 U5 Gas Leakage
39 U7 Four-way valve is not normal
40 U8 Zero cross Detection Circuit malfunction

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