ErrorKhoj

Voltas Air Conditioner

Voltas AC E2 error

Indoor coil anti-freeze protection

You can usually fix itCross-checked from 2+ sources

Most people can clear this with the simple steps below.

What it means

The indoor coil became too cold (close to icing), so the AC paused the compressor to protect itself.

Common causes

  • Very dirty air filters or coil
  • Indoor fan running too slow
  • Low gas
  • Very low temperature set for many hours

Try this at home first

Tick each step as you go

When to call a technician

If it repeats with clean filters, get the gas level and indoor fan checked.

Safety first

Always switch off at the wall socket or MCB before touching any part. Do not open the outdoor unit, control boards or gas pipes yourself — they carry high voltage and pressure.

Frequently asked questions

What does E2 mean on a Voltas Air Conditioner?

Indoor coil anti-freeze protection. The indoor coil became too cold (close to icing), so the AC paused the compressor to protect itself.

Can I fix Voltas Air Conditioner error E2 myself?

Usually yes. Start with: Switch off and let any ice melt for 30–60 minutes.

Is it safe to keep using the Air Conditioner with E2?

Yes, once the cause is fixed.

Other Voltas AC codes

E0 Memory (EEPROM) error — indoor unit board E1 High pressure / overload protection / Communication error (indoor ↔ outdoor unit) / Indoor room temperature sensor fault E3 Low gas / refrigerant leak or blockage / Outdoor air temperature sensor fault E4 Compressor overheating / High pressure / overload protection / Indoor room temperature sensor fault E5 Overcurrent / compressor overload E6 Communication error (indoor ↔ outdoor unit) F1 Indoor room temperature sensor fault / Indoor fan motor fault F2 Indoor coil (evaporator) temperature sensor fault / Outdoor fan motor fault

All Voltas Air Conditioner error codes

Same code on other brands

E2 Indoor coil (evaporator) temperature sensor fault / Indoor coil anti-freeze protectionBlue Star AC E2 Indoor coil (evaporator) temperature sensor faultLloyd AC E2 Indoor coil (evaporator) temperature sensor faultHaier AC E2 Indoor coil anti-freeze protectionGree AC OE Water not drainingLG Washing Machine bE2 Button stuck / keypad faultSamsung Washing Machine E-02 Cooking time set too longSamsung Microwave E2 Water not drainingIFB Washing Machine E2 Water not drainingGodrej Washing Machine E01 Control board (PCB) faultBosch Dishwasher

Sources

We write every explanation in our own words from these references.

Last checked: 2026-10-20