What have do in bluestar split ac when F2 error shown

If have a mini split unit that gives an E4, E5, E6, F1, F2, F3 error code a few things can cause this problems.
How To Clear an E4, E5, E6, F1, F2, F3 Error Codes on a Mini Split

1. Power off the unit and turn off the breaker or disconnect.
2. Wait 2-3 minutes and power the unit back on.

Any problem that is not fixed will likely come back.

Bluestar splite ac h3 error

What is the model number? Your question is too general.

your ac is warranty status , please change

It's possible that the indoor fan is sagging slightly and rubbing against the housing because of old rubber mounts

From your details i can observe the blower motor bearing worn out. or its side bushes in which there is small bearing that may be worn out. Replace it. Finally check for correct voltage too.

C5 error blue star air condition

hello,
i also find this problem in my bluestar ac then i callled authorized service man . then he did these steps :-
1> Replace the sensore ( you will find inside the ac wich will be red or brown in color)
2> then check wheather the wire is in good condition or not means
is it working or not.
3> then clean the outdoor unit filters and coils,
4> and check the proper supply of electricity..

F2 ---for me its a sensor problem had it done thanks katsaras
Unit -- Whirpool AC Model no. Wasr18k20 1.5 ton split AC

room or pipe thermistor error