Blue Star Air Conditioner

Blue Star AC H6 error

Indoor fan motor fault

Needs a technicianReported by one source — verify

Try a reset once. If it comes back, a trained technician should repair it.

We found this meaning in only one secondary source. Confirm it with your user manual or brand customer care before any repair.

What it means

The indoor blower fan is not turning at the right speed, or its speed signal is missing.

Common causes

Blower jammed by dirt or a loose part
Faulty indoor fan motor or capacitor
Loose motor plug or faulty control board

Try this at home first

Tick each step as you go

Switch off, wait 5 minutes and restart
Clean the filters; with power OFF, check nothing is blocking the blower

When to call a technician

If it repeats, a technician must test the motor, capacitor and board.

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 H6 mean on a Blue Star Air Conditioner?

Indoor fan motor fault. The indoor blower fan is not turning at the right speed, or its speed signal is missing.

Can I fix Blue Star Air Conditioner error H6 myself?

You can try a reset first: Switch off, wait 5 minutes and restart. If the code returns, call a technician.

Is it safe to keep using the Air Conditioner with H6?

Avoid repeated restarts; running with this fault can cause more damage.

Other Blue Star AC codes

F2 Indoor coil (evaporator) temperature sensor fault / Compressor discharge temperature sensor fault / Outdoor air temperature sensor fault F3 Outdoor air temperature sensor fault / Compressor discharge temperature sensor fault F4 Outdoor coil (condenser) temperature sensor fault / Communication error (power module ↔ main board) F5 Compressor discharge temperature sensor fault H1 Defrosting (normal) H3 Outdoor unit overheat protection / Compressor overheating L1 Power supply voltage problem / Inverter board / power module protection L2 Inverter board / power module protection L3 Outdoor fan motor fault L4 Current sensor (CT) fault LC Compressor start / rotation fault P1 Power supply voltage problem

All Blue Star Air Conditioner error codes

Same code on other brands

H6 Compressor start / rotation faultDaikin AC H6 Indoor fan motor faultGree AC

Sources

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

Last checked: 2026-10-20