Blue Star is one of the leading air conditioner brands in India. The company offers a wide range of air conditioners to suit the needs of different types of customers. Blue Star air conditioners are known for their energy efficiency, durability and performance. The company offers a wide range of models with different features and prices. Blue Star air conditioners are available in both split and window ACs. The company also offers a wide range of services like installation, repair and maintenance. If you face any issue, you can easily call servicing and they will help you with it. If you wish to diagnose yourself, here is a Blue Star AC error code list.

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Blue Star AC Error Code List 2023

Blue Star air conditioners are among the most popular on the market, known for their reliability and efficiency. However, like all appliances, they require regular servicing to keep them running smoothly. common problems that can occur include dirty filters, low refrigerant levels, and leaks in the ductwork.

These issues can lead to reduced cooling capacity and increased energy consumption. As a result, it is important to have your Blue Star air conditioner serviced by a qualified technician on a yearly basis. Not only will this help to keep your appliance running properly, but it will also help to prevent expensive repairs down the road.

If you are looking for a 1.5 ton spit AC under 35000, Blue Star might be the best choice for that price range. They also have a really great 1 ton 5 star air conditioner for you to check out.

Here is Blue Star AC error code list for your reference.

Error CodeProblem
E0– IDU EEPROM error
E1– ODU coil medium-high error
E2– IDU coil frozen protection
E4– Discharge temperature high error
E5– Water collection tank is full
E6– Communication error
E8– Zero crossing error
EC– Refrigerant leak detection
F1– Indoor room temperature sensor error
F2– IDU coil temperature sensor error
F3– Ambient temperature sensor error
F4– ODU coil temperature sensor error
F5– ODU discharge temperature sensor error
P3– Drive phase current overload fault
P4– DC bus bar high voltage and low voltage protection
P7– IPM error
P5– Compressor phase current protection
P8– IPM over high-temperature protection
PH– AC over-voltage and under-voltage protection
L1– Drive phase voltage overload protection
L2– Drive phase voltage over low protection
L3– Outdoor DC fan fault
L4 Phase current sampling abnormal
LC– Compressor out of step fault
– Compressor startup failure
H6– IDU fan motor error

Frequently Asked Question (FAQs)

What is EC Blue Star AC error?

EC error in Blue Star ACs tells you that the refrigerant inside has leaked. You have to refill the gas inside the AC, but first make sure the reason for the leakage is fixed.

What is E5 error in Blue Star AC?

E5 error in Blue Star air conditioners signifies that the water collection tank has reached its capacity. It could be due to your AC not expelling the water and instead collecting it. Make sure your AC is set in the correct position to solve this issue and let all the water drain as expected.


In conclusion, the Blue Star air conditioners are an excellent choice for anyone looking for a high-quality, efficient unit. The unique features and durability of the Blue Star air conditioners make it a top choice for both home and business owners. With its innovative design and superior performance, Blue Star air conditioners are sure to keep you cool and comfortable all summer long. To help with maintenance, we suggest you give their service contact number a call.