Furnace And Air Conditioner Will Not Turn On

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Furnace and air conditioner will not turn on.

Your furnace will not turn on if your air filter is clogged. This can cause your furnace to turn off as a safety feature to prevent overheating. If you have to do any further checking contact the company that sold you the furnace or go online to the manufacturer s site for more information. Check your air filter if your furnace won t turn on.

However if it is too cold then there is a problem with the heating unit. Your system probably has a manual fan on switch on the thermostat or if not there may be a fan on push pull switch right on the fan limit switch in the air handler. An air conditioner that won t turn on isn t entirely uncommon and there are quick and easy steps you can take to figure out why your system is experiencing trouble. If your central air conditioner will not turn on try to troubleshoot the problem yourself before calling a serviceman out to your home.

The problem could be a simple issue like an incorrectly programmed thermostat or a clogged filter. Your next step should be to check your air filter. 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.

Unscrew and replace any fuses that are blown. The unit does not turn on after it hasn t been used for some months it s not uncommon for an ac unit to not turn on at the beginning of the cooling season. Check the circuit breaker for your ac or heater unit and inspect the fuses. Our atlanta air conditioning experts have some tips about the most common problems you ll encounter with your air conditioner.

This is especially common during the summer months when temperatures rise and your air conditioner unit is working hard to keep you cool. A circuit breaker tripped. Air conditioners and furnaces are often installed with an on off switch that looks just like the light switches in your home only this switch is there so that lazy hvac proletarians like me can easily remove power while troubleshooting and servicing. It is defective if touching its wires to each other turns on the ac system.

Look at the inside portion of your air conditioner and all around it for a light switch. If it is not too cold but not too hot then the furnace might be fine and you can turn it back on. Below are the most common reasons your ac won t turn on. If you can make the blower run then we know the problem is not with the blower motor or drive belt or assembly and we d go to step two.

Turn any breaker that is in the off position to the on position. However you should examine the ac system s control board if both thermostat and capacitors are functioning.