Then be sure the furnace filter is clean.
Central ac condenser unit not working.
Reset button on the ac unit outside.
1 check the main electrical panel and any secondary circuit panels for a tripped breaker or blown fuse.
At compressore failure diagnosis.
On the next page you ll learn how to access the evaporator and clean it properly.
Make sure all the registers in the house are wide open.
The fan keeps running because the central unit has no such problem.
But before you phone see if the problem is caused by something else.
Central ac not working at all if your central air conditioner won t go on automatically when the thermostat signals the need for cooling.
What you should know.
Condensing unit does not run.
When the ac compressor not working but the fan is running chances are the outer unit housing the compressor isn t receiving power.
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Find the most common problems that can cause a bryant central air conditioner not to work and the parts instructions to fix them.
Check for a frozen fan motor motor won t turn manually when power is off.
Check for loose disconnected wires.
A switch designed to stop your air conditioner from flooding your house with residual condensation.
If this happens to be the case a simple reset will bring it back to normal.
This could cause the unit to shut down.
If the outside unit gets too dirty your ac compressor could overheat.
If you ve gone through the above diy steps and your ac system is still not cooling the problem could be leaking refrigerant freon or a failed compressor unit.
Central air conditioners can work for years without problems if properly maintained and serviced annually.
If the compressor isn t starting check the wiring connecting the two units.
If the condenser unit fan won t start at all check for power to the unit and to the fan motor and that all of the controls are calling for cooling or heat pump operation.
If your central a c unit isn t working properly look for the problem you re experiencing on this chart and see if it s a do it yourself job.
Central air conditioner troubleshooting chart a dirty evaporator is a common problem.
The unit stops working.
If you find the problem there reset the breaker by turning it off and then on or replace the fuse.
Then go outside and clean off the condenser coils photo 2.
If your ac drain pan is full it may have triggered the float switch.
5 possible causes and potential solutions.
It s also possible that a safety switch has locked the outside unit of your home s ac system.
If they aren t working properly call a trained technician.