What happens if AC pressure switch goes bad?
If either of the AC pressure switches fails, then the system will have a difficult time maintaining the pressure required to function properly. If the pressure is not right, then the AC system will not be able to produce the cold air required to adequately cool the cabin.
Why will my air conditioner not turn on?
If your AC unit won’t turn on, the first thing you should check is if there was a blown fuse or a tripped breaker. There’s a good chance that the problem is a tripped breaker if the circuit was overloaded. However, it is also possible that a power surge caused your air conditioner to blow a fuse or trip a breaker.
Why is there no power to my AC compressor?
No 12 volts at comp plug. Went to heater control panel, have 12 V at ac switch, (with blower on) and so switch is sending it down the line but where it goes to, I don’t know. Can’t find any fuse or breaker labelled AC.
Can a cxu613 have no power to the AC compressor?
I’m working on a CXU613 Mack and it has no power to the AC compressor. All switches have been changed and there’s power everywhere but the compressor. Any suggestions? BMT Certified Know-It-All! does the a/c system have a charge in it? if not you may need to jumper the low pressure sw in order to run the comp. to fill the system.
What should I do if my air conditioner is not working?
Has no power to compressor has ground, new relay, fuse is good and also has no power to pressure switch, but has power to cycling switch. I have checked all of GM tech bulletins.
Is there a fuse for the AC compressor?
Went to heater control panel, have 12 V at ac switch, (with blower on) and so switch is sending it down the line but where it goes to, I don’t know. Can’t find any fuse or breaker labelled AC. Tried running a separate set of wires directly to ac comp, it kicks in fine, draws 3.2 amps.