Voltas air conditioners are some of the best in the market, and with their easy diagnosing features, you can easily fix them up and get an idea of what was that went wrong. Voltas the brand has long been an exceptional manufacturer of home appliances, and they are one of the biggest names in the Indian consumer market. If you are looking for the best air conditioners in the market, Voltas is something to look out for. For diagnosing and repairing Voltas inverter, non-inverter, split, and window AC’s, here is the Voltas AC error code list.

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Voltas AC Error Code List – Voltas Air Conditioners Error Codes

For all those Voltas air conditioner owners, here is a comprehensive list of all the error codes that can occur when something is wrong with your AC.

If you need to know all the error codes, here are all of them, including, Voltas split ac error code list, Voltas inverter ac error code list and Voltas non inverter ac error code list.

Voltas Non Inverter AC Error Code List

Error CodesProblem
EEIndoor machine EE fault
E0Outdoor EE fault
E1Indoor fan fault
E2Indoor fan zero-crossing detection abnormal
E3Indoor coil fault and sensor fault
E4Indoor ambient temperature sensor fault
E5Fan Operation Error
E6Indoor and outdoor machine communication fault
E8Outdoor communication fault
F1Compressor starting abnormal
F2Compressor out of step fault
F3IPM module fault
F4Compressor shell roof fault/protection
F5Discharge temperature sensor fault
F6Section temperature sensor fault
F7Outdoor coil temperature sensor fault
F8Outdoor ambient temperature sensor fault
F9Outdoor DC fan fault
P1Outdoor machine AC current protection
P2Compressor phase current protection
P3Outdoor unit over-high or over-low AC voltage protection
P4DC voltage over-high or over-low voltage protection
P5IPM over-high temperature protection
P6Discharge temperature overheat protection
P7Cooling indoor coil anti freezing protection
P8Cooling outdoor coil overheat protection
P9Heating indoor coil overheat protection
PCCooling outdoor ambient temperature over-low protection
PHHeating outdoor ambieent temperature over-high protection
L1Drive bus voltage over-high protection
L2Drive bus voltage over-low protection
L3Drive phase current overload fault
L4Phase current samping abnormal
U1IPM Over current protection
U3Compressor Over current protection
U4Over voltage protection
U5Low voltage protection
U7Over speed protection

Voltas Inverter AC Error Code List | Voltas Split AC Error Code List

Error CodesProblem
E1The trouble of indoor unit room temperature sensor
E2The trouble of indoor unit pipe temperature sensor
E3The trouble of PG motor
E5Wired controller communication failure
E6The EEPRO of indoor unit error
1EThe trouble og outdoor unit room temperature sensor
2EThe trouble of outdoor unit pipe temperatue sensor
3EThe trouble of exhaust sensor
4EThe EEPRO of indoor unit error ( outdoor unit). Replace the module board of outdoor unit
8EThe trouble of PFC. Replace the module board of outdoor unit
H1Automatic defrosting
H3Stop for compressor overload protection
H4Overload protection
H5Stop for IPM module protection
H6PG motor does not operate ( indoor fan motor)
HCPFC overcurrent malfunction
L9High protection of power
LPIndoor and outdoor units cant match with each other
PHHigh voltage protection
PLLow voltage protection
C5Jumper cap malfunction

Voltas AC E2 Error

One of the most common error codes that can pop up on your Voltas air conditioner, the E2 error code. The E2 error code tells you that the air filter on the AC is dirty and needs cleaning urgently. If your filter is just a little dirty, it might not show you the error code, but if it gets really clogged with dirt, your AC will bring it to your notice.

Frequently Asked Questions (FAQs)

What is E6 error in Voltas AC?

One of the very common errors in old Voltas air conditioners, E6 error shows up when the inside unit cannot communicate with the compressor outside. In this case, your air conditioner would require professional servicing.

What is F1 error in Voltas AC?

F1 error relates to the compressor not working. If by any reason your compressor cannot start up properly, your AC will display the error code F1 to let you know. In such a case, contact customer support to get professional help.


Voltas air conditioners are some of the best air conditioners in the market. They can be difficult to work with since they break down often. However, this should not disincentivize you buying a Voltas AC, but something you should know. Voltas ACs are really affordable and perfect for the Indian household. They have a lot of options to choose from and since it is an Indian brand, customer support and maintenance is quite easy to get no matter which part of the country you are in. We have listed all the Voltas AC error codes for you to have some reference the next time your AC breaks down.