AC Error Codes โ†’ Blue Star

Blue Star AC Error Codes โ€” Complete List & Fixes

Many Blue Star inverter split ACs use an E/F/P code scheme similar to the Midea platform; premium models have their own codes. When in doubt, send us the code on WhatsApp.

14 codes explained ยท DIY checks included ยท Same-day Blue Star AC repair in Ahmedabad

๐Ÿ‘† Select your AC brand and type the code shown on your AC display or remote

All Blue Star AC Error Codes

E0๐Ÿ”ง Needs Technician

Indoor EEPROM error

Likely causes: Indoor PCB memory fault

What to do: PCB repair or replacement.

๐Ÿ“ฑ Book Same-Day Repair for E0
E1๐Ÿ”ง Needs Technician

Indoor-outdoor communication error

Likely causes: Wiring fault, PCB failure

What to do: Restart at the MCB once; book a visit if it returns.

๐Ÿ“ฑ Book Same-Day Repair for E1
E2๐Ÿ”ง Needs Technician

Zero-crossing detection error

Likely causes: Power abnormality, PCB fault

What to do: Check supply voltage; otherwise board fault.

๐Ÿ“ฑ Book Same-Day Repair for E2
E3๐Ÿ”ง Needs Technician

Indoor fan speed abnormal

Likely causes: Blower jam, motor failure

What to do: Switch off, check for obstruction, then book a repair.

๐Ÿ“ฑ Book Same-Day Repair for E3
E4๐Ÿ”ง Needs Technician

Indoor room sensor fault

Likely causes: Thermistor failure

What to do: Quick sensor replacement.

๐Ÿ“ฑ Book Same-Day Repair for E4
E5๐Ÿ”ง Needs Technician

Indoor coil sensor fault

Likely causes: Coil thermistor failure

What to do: Sensor replacement.

๐Ÿ“ฑ Book Same-Day Repair for E5
EC๐Ÿ”ง Needs Technician

Refrigerant leak detected

Likely causes: Gas leak

What to do: Leak detection, repair and regas required.

๐Ÿ“ฑ Book Same-Day Repair for EC
F1๐Ÿ”ง Needs Technician

Outdoor ambient sensor fault

Likely causes: Outdoor thermistor failure

What to do: Sensor replacement at outdoor unit.

๐Ÿ“ฑ Book Same-Day Repair for F1
F2๐Ÿ”ง Needs Technician

Outdoor coil sensor fault

Likely causes: Condenser thermistor failure

What to do: Sensor replacement at outdoor unit.

๐Ÿ“ฑ Book Same-Day Repair for F2
F3๐Ÿ”ง Needs Technician

Discharge temperature sensor fault

Likely causes: Discharge thermistor failure

What to do: Sensor replacement to protect compressor.

๐Ÿ“ฑ Book Same-Day Repair for F3
P0๐Ÿšจ Urgent - Switch Off AC

IPM module protection

Likely causes: Inverter power module fault

What to do: Switch off and call for service.

๐Ÿ“ฑ Book Same-Day Repair for P0
P1โœ… Try DIY First

Voltage protection (high/low)

Likely causes: Unstable mains supply

What to do: Use a stabilizer; restart when stable.

๐Ÿ“ฑ Book Same-Day Repair for P1
P2โœ… Try DIY First

IPM overheat protection

Likely causes: Dirty condenser, blocked outdoor airflow

What to do: Clean the outdoor unit and clear surrounding space.

๐Ÿ“ฑ Book Same-Day Repair for P2
P4๐Ÿšจ Urgent - Switch Off AC

Inverter compressor drive fault

Likely causes: Compressor or driver board failure

What to do: Professional diagnosis required.

๐Ÿ“ฑ Book Same-Day Repair for P4

Disclaimer: error codes can vary by model and year. This guide covers the most common Blue Star split AC codes in India. When in doubt, send us a photo of your AC display on WhatsApp โ€” diagnosis advice is free.

Other Brand Error Codes

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