
BLUE STAR
Blue Star Air Conditioner Troubleshooting
6 error codes with step-by-step fixes, safety warnings, and Amazon tool links.
6
Error codes
28 min
Avg. fix time
17%
Beginner-friendly
24
FAQs answered
About Blue Star air conditioner error codes
This hub covers every Blue Star air conditioner fault code we’ve documented — 6 error codes with step-by-step fixes, safety warnings, and links to the exact tools on Amazon.in. Each guide is cross-referenced with the Blue Star India service manual and verified against common failure patterns reported across Indian households.
Blue Star air conditioner errors range from simple resets to intermediate-level repairs. About 17% are beginner-friendly fixes; the rest need basic tools and some mechanical comfort. The average fix takes about 28minutes. Every guide includes a “when to call a technician” section so you know exactly where the DIY boundary is.
The most common fault pattern across Blue Star air conditioners in India is not cooling, accounting for 5 of the 6 error codes we cover. If your air conditioneris showing this symptom but you’re not sure which error code it is, browse the list below and match the description to your situation.
All error codes
Error E1 on a Blue Star split air conditioner signals a fault in the indoor air temperature sensor (thermistor).
30 min · skill: intermediate
Error E2 on a Blue Star split air conditioner indicates a fault in the indoor evaporator coil temperature sensor.
35 min · skill: intermediate
Error E3 on a Blue Star split air conditioner indicates a fault with the outdoor condenser coil temperature sensor.
40 min · skill: intermediate
Error E5 on a Blue Star split air conditioner indicates that the compressor overcurrent protection circuit has tripped.
20 min · skill: intermediate
Error F1 on a Blue Star split air conditioner indicates a fault or corruption in the EEPROM (Electrically Erasable Programmable Read-Only Memory) chip on the indoor unit's PCB.
15 min · skill: beginner
Error F3 on a Blue Star split air conditioner indicates that the outdoor fan motor has failed or is not functioning within acceptable parameters.
25 min · skill: intermediate
Thinking of replacing your Blue Star air conditioner?
If repair cost exceeds 50% of a new unit’s price, replacing is usually the smarter move. Compare top-rated air conditioners in India.