Originally Posted by 8229
Check the fan motor.. Maybe the motor not spin at the actual speed..
Yup, mine wasn't spoilt. It was more like not spinnning fast enough and sometimes, not spinning at all. WHen you knock it with a spanner, it will spin again. It's motor brush all eaten up la.. wish I can just change the brush like how I can change my 540 motors (RC'ers will know what is this :D)