As you know Indian summer became a pressure cooker because in India nowadays heat increases day by day in summer. Hence, every person in India wants AC or air conditioner for their home, so there are a lot of AC companies which give hug discount. Hence, people start buying AC even middle class of also want to buy AC as you know every electronic items diagnose with problem so in AC there are a lot of problem occurs while using AC in summer, the case of AC it shows some error code different AC company have different error code in this article I am going to give you a list of Voltas AC error code. So be with this blog and read carefully because this error code is updated from time to time, because every year the AC company launches its new variant.
What Are Voltas AC Error Codes?
AC error code means when your AC go through some trouble or problem, then it shows some error code just like E1, E2 and etc. If you already know about the error code then it is easy for you to know what actually happening with your AC and along with this if you contact your customer care to complain for AC day should also ask what’s error code it’s showing so you have to know Voltas AC error code list. There are some common reasons when these error code appears just like if your AC running out of CFC gas or having a problem in the compressor or even having electricity short circuit in its PVC plate, then these code appears in the display area of your AC.
Voltas AC Error Code List 2025
Voltas AC comes in four types and each types of Voltas AC have a different error code so in below paragraph and chart I am going to share respected Voltas AC error code list of 2025
Split AC Error Codes (Voltas)
| Error Code | Meaning / Fault | Possible Solution / Action |
|---|---|---|
| E1 | Indoor ↔ Outdoor communication error | Check communication wiring (connectors, continuity). Reset unit. |
| E2 | Indoor coil sensor fault | Test or replace indoor coil temperature sensor. |
| E3 | Compressor overload or overcurrent | Check compressor, wiring, possible blockage or overcharge. |
| E4 | Indoor room sensor fault | Inspect room (ambient) sensor, wiring. |
| E5 | Outdoor coil sensor fault | Check outdoor sensor and its connection. |
| E6 | Outdoor unit malfunction / fault | Inspect outdoor PCB, fan, wiring. |
| F1 | Low refrigerant / Gas leak | Check refrigerant level, detect & repair leaks. |
| F2 | High / Low pressure protection | Inspect piping, pressure sensors. |
| F3 / F4 / F5 etc. | Other protection or sensor faults (varies) | Diagnose specific sensor or protection circuit. |
Window AC Error Codes (Voltas)
| Error Code | Meaning / Fault | Possible Solution / Action |
|---|---|---|
| E1 | Indoor / outdoor communication issue | Check wiring and communication cables. |
| E2 | Room sensor error | Test or swap out the room / ambient sensor. |
| E4 | Indoor PCB / control error | Inspect PCB for damage, loose connections. |
| F1 | Refrigerant low / gas leakage | Recharge refrigerant, fix leaks. |
| F2 | Pressure protection triggered | Inspect piping, clean filters, check blockages. |
| (Other codes) | Varies by model | Consult user manual or service center |
Inverter AC Error Codes (Voltas)
| Error Code | Meaning / Fault | Possible Solution / Action |
|---|---|---|
| E1 | Communication error (indoor-outdoor) | Check communication lines, connectors, polarity. |
| P0 | Inverter module (IPM) fault | Inspect / replace the inverter / IPM module. |
| P4 | IPM overload error | Check compressor wiring, motor, and overload protection. |
| P1 | Voltage high / low | Ensure stable voltage supply; use stabilizer. |
| L3 / “33” blink | Drive phase current overload | Diagnose three-phase motor or circuit overload. |
Cassette & Tower AC Error Codes (Voltas)
| Error Code | Meaning / Fault | Possible Solution / Action |
|---|---|---|
| E1 | Indoor / outdoor communication error | Check the interconnecting cable and connectors. |
| E2 | Indoor sensor / coil sensor problem | Inspect or replace sensor. |
| E6 | Outdoor unit fault | Check fan, motor, wiring, PCB. |
| F1 | Low refrigerant / leak | Recharge refrigerant, repair leaks. |
| P0 / P4 | Inverter / IPM module error | Inspect or replace inverter circuitry. |

Detailed Explanation of Common Error Codes
Some common Voltas AC error code is like when it shows E1 then it’s means indoor and outdoor communication error and when it shows E2 then it’s means indoor coil sensor problem just like this there are many other Voltas AC error code some examples I have given below.
Example
Error E1 – Indoor / Outdoor Communication
Error E2 – Indoor Coil Sensor
Error E6 – Outdoor Unit Malfunction
Error E7 – Fan Motor Fault
Error F1 – Low Refrigerant Level P0/P1/P4 – Inverter Module Errors
How to Reset Voltas AC After Error Code
If you want to reset your Voltas AC after solving error code problem than you have to click reset button on your Voltas AC remote button and then turn off your AC from main source and after sometime restart it and you saw your Voltas AC working properly.
There some conditions When resetting works and when it doesn’t , if there is hardware problem inside your Voltas AC it might be in Indoor part orthe outdoor part then reset not work in this case you have to call your AC service care customer and then they will send a technician and that technician solve your issue.
DIY Troubleshooting Tips
I want to give you some advice if you have AC specific Voltas AC then you have to clean it frequently there is two type of cleaning first one is Deep cleaning and second one is soft cleaning soft cleaning can we done by you if you are willing to do it, for cleaning your voltas AC you have to genetically remove the front session of your from where cool air comes.
You have to remove air filter from your Voltas AC and then you have to clean it and after cleaning you have to dry it and re put it at the place from where you have remove this Voltas AC air filter.
- Check power supply & wiring
- Clean air filters regularly
- Ensure outdoor unit has ventilation
- Reset remote settings
When to Call Customer Support
If you want to connect with customer support of Voltas AC then in this paragraph I have given below some contact number and mail ID of Voltas AC from where you can take the help.
- Issues that need professional help.
- Voltas AC customer care number & service center details.
Preventive Maintenance to Avoid Errors
If you want to avoid error in your voltage AC then you have to regular servicing check refrigerant level proper installation seasonal maintenance before uses and a good stabilizer.
- Regular servicing
- Checking refrigerant levels
- Proper installation tips
- Seasonal maintenance before summer
FAQs on Voltas AC Error Codes 2025
What does E1 error mean in Voltas AC?
If you see E1 error in your Voltas AC, your indoor and outdoor unit have some connection problem.
How do I fix E2 error?
This error appears when indoor coil sensor have some problem.
Can I run AC if error code is showing?
No if your AC shows some error than responsive to your AC technician or you can visit our website for checking which error code have which meaning.
Are error codes same for all Voltas models?
Almost all Voltas AC have same error code but some are difference in inverter AC, inverter AC, and window AC
Conclusion
If you want to run your Voltas AC for a long time, then you have to know and understand each and every error code of Voltas AC this will help you to maintain the lifetime of your AC.
I hope you love my article on Voltas AC error code if you want to ask something related to it then please comment below in the comment section I will try to reply you as soon as possible.
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Anurag Singh is a blogger and digital content creator who specializes in micro-niche websites, SEO strategies, and educational content. He enjoys turning complex topics into simple, practical guides for students and professionals.