If you're looking for help fixing your York Air Conditioner, look no further! Our comprehensive York Air Conditioner Troubleshooting guide will explain common issues, provide tips, and show you how to read your model's error codes.

York air conditioner not cooling 
The air filter may be clogged so airflow through the air con is hindered. 
It may be having dirty condenser coils- debris impedes overall cooling performance. 
The unit has a faulty compressor. 
The run capacitor is having issues or it’s blown making the compressor not to run. 
You have an improper thermostat setting or it might be defective (the entire component). 
Your AC may have insufficient refrigerant. 
The unit has a problematic board (culprits could be its main control board, temperature control board, etc.). 

York blower motor problems 
Check if it’s receiving power– test whether current is reaching the motor as lack of power will mean it never runs. Troubleshoot the power supply system if so or proceed to step 2. 
Check if it’s burned out– If it has power but still won’t work, it’s probably burnt. The only solution is replacement. 
Check if the blower fan is experiencing difficulties spinning– your blower motor may not work as desired if the blower fan is obstructed by something. It will make a humming sound in this case and you must remove whatever is blocking the fan’s spinning path to eliminate the problem. 

York air conditioner fan not working 
Test if the fan motor has power. If yes, move to the remaining steps… 
Check if you’re having a bad capacitor (the capacitor supplies power to the fan motor and it could have malfunctioned). 
Check for loose or even a broken belt and repair, if necessary. 
Check if the motor is itself burnt out and replace. 
 
York air conditioner not turning on 
Check if the power cord is in good condition and supplying power (replace if not). 
Check if the circuit breaker has tripped and reset it. 
Wash the air filter (again!) if dirty. 
Work on the thermostat- check the settings (and change) or potential defects (and replace). 
Clean the AC drain pan if dirty. 
Check if the fuse in your York air conditioner has blown and replace. 
 
York rooftop unit troubleshooting 
Clean or change the filters– No matter your model, always start by installing a new filter (disposable types) or cleaning the filter (permanent types). 
Clean condenser coils surfaces– after filters, dirt should be cleared off the condenser coil to restore required operation. 
Check the thermostat- a bad thermostat setting could be causing your cooling woes and you should make sure that it’s properly set. 

York central air conditioner troubleshooting 
Faulty contactor- this part sends voltage to your condensing unit and its failure could affect cooling. Test it for continuity with a multimeter and replace if necessary. 
Bad dual run capacitor– the fan motor won’t operate properly or will completely refuse to work if this has issues. Replace if you notice it’s leaking or bulging. 
Defective condenser fan motor– the capacitor may have failed or the motor itself. Replace the affected component. 
Failed compressor- this should only be checked if all else fails because it’s often misdiagnosed. Test it for continuity and replace if none.

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