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Troubleshoot Central Air Conditioner That Will Not Turn On

central air conditioners are convenient and economical way to cool entire house. Unfortunately, they can be costly to repair when something goes wrong. If your central air conditioner does not turn on, try to solve problem yourself before calling service technician to your home.

problem could be as simple as incorrectly programmed thermostat topic or clogged filter. Check your thermostat settings before moving to fix air conditioning unit. Change batteries in thermostat if screen is blank or flicker.

Troubleshoot Central Air Conditioner That Will Not Turn On

Make sure thermostat is set to Cool mode, fan switch is in Auto position and desired temperature is lower than current room temperature. Move fan switch to On and listen for sound of fan turning on. If it turns on, there may be fault in thermostat’s wiring or it may be miscalibrated.

Check thermostat’s calibration by moving temperature setting down several degrees and waiting to see if air conditioner turns on. If it does, thermostat may be miscalibrated. Recalibrate it according to instructions in your owner’s manual or replace entire thermostat.

Go outside to home’s circuit breaker box to see if switch has been tripped or fuse has blown. Check fuses and switches for your home’s furnace system as well. Some central air conditioners use furnace fan to move cooled air throughout home.

Consult owner’s manual to find out if your central air conditioner has reset switch. Some models have switch on exterior of unit that must be reset before system will turn on again. Replace air filter if it is dirty.

Your central air conditioner may have shut-off switch that prevents it from turning on if airflow to unit is blocked.

We hope this information about How to Troubleshoot Central Air Conditioner That Will Not Turn On is really helpful to you as well as other information related to Air Conditioner

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How to Troubleshoot Central Air Conditioner That Will Not Turn On

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