What causes AC to lose power?
Refrigerant leaks: your unit’s refrigerant lines may have developed holes or cracks, causing a leak of refrigerant. When your air conditioner’s refrigerant charge is too low, it puts a strain on the system that causes it to work harder and leads to overheating and AC failure.
Where is the AC fuse on a 2007 F150?
This 2007 Ford F150 Fuse Diagram shows a central junction box located in the Passenger Compartment Fuse Panel located under the dash and a battery Junction Box under the hood.
Why would my thermostat have no power?
The next simplest solution for a thermostat that has no power is a tripped circuit breaker. This is a common cause for appliances, power outlets, and HVAC equipment not working. Try turning the HVAC system back on to see if that resolved the problem. Open the thermostat housing and make sure it’s clean.
What to do if there is no power to an A / C compressor?
Re: No power to a/c compressor, I have checked the fuses,… The trigger from the dash switch activates the relay which in turn switches on the solenoid pulley to engage the compressor to work. If this circuit is traced the fault of a open circuit can be found out. If there is no power in the fuse or relay then the main wiring must be checked.
Is there a bad a / C pressure switch shutting off the compressor?
Put 12 volts to the compressor and make sure the clutch locks up first. You checked the compressor clutch fuse, right? Highly unlikely the ECM died for the a/c only. Is there a bad a/c pressure switch shutting off the compressor? Get a shop to hook up the manifold gauges, jump the compressor to engage it and read the pressures.
Why is my air conditioner clutch not getting power?
Air Conditioning Compressor Clutch Not Getting Power (electrical Ok. Here it goes! No power to AC Compressor Clutch. Here are the details: After researching this I’m thinking it could be the relay in the CCRM (constant control module)? Although I can’t find a good enough diagram to find it!
Is the AC compressor on a Western Star working?
Discussion in ‘ Western Star Forum ‘ started by 04 LowMax, Jul 7, 2014 . Wondered if anyone has done any trouble shooting for this problem on a star? Was all prepared to head to a shop and get ac recharged, then thought I better just make sure the compressor is working. Good thing I did, it wasn’t. No 12 volts at comp plug.