Indoor fan motor not running or no speed feedback
What it means
On Gree units, H6 commonly means the control board is not receiving a speed signal from the indoor fan motor, so it stops operation. The meaning can vary by model, so check the manual for your unit.
Symptoms3
- No airflow from the indoor unit.
- The fan turns slowly and then stops.
- Rubbing or humming noise from the indoor unit.
Possible causes4
- Heavily soiled blower wheel or something stuck in it.
- Failed indoor fan motor.
- Loose motor plug on the board.
- Indoor control board fault.
How to diagnose and fix3
- With power off, check that the blower turns freely by hand.
- Clean the filters and have the blower wheel washed if it is dirty.
- Have a technician test the motor, connector and board.
Repair cost
In Saudi riyals; the highlighted part is the expected range for this fault.
Cleaning is cheap; a fan motor or control board costs more.
Prices are rough estimates including the part and the technician’s fee, and vary with brand, model and part source.
Frequently asked questions
Can dirt alone cause this code?
Sometimes yes; dust buildup can load the blower enough to slow it and trigger the code.
Should I keep running it?
No, switch it off until checked; running the compressor without indoor airflow can freeze the coil.
This guide is for information only and does not replace an inspection by a qualified technician. If the fault involves brakes, steering, engine temperature, electrics or refrigerant, do not attempt the repair yourself.
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