hey, i had got a problem here..my compressor sometime wont working even thought i had turn on my air cond..


well, here is the case;

1 day i go shopping and park beside road, then engine on and air cond on since my gf waiting me inside...(at here all okay, idling and air cond ok)

after i came back , the air cond become hotter like didn turn on acc and my rpm become 2500....the compressor not working..

then after sometime i turn off the air cond, my air cond okay again..

any sifu...