Outside Central Air Unit Will Not Turn Off

An outdoor air conditioner that won t shut off can occur on central air conditioning systems or on heat pumps when in cooling mode.

Outside central air unit will not turn off.

If your central air conditioner will not turn on try to troubleshoot the problem yourself before calling a serviceman out to your home. Wait to see if the air conditioning unit fan eventually shuts off. Either turn off the breaker in the panel or pull the disconnect switch outside at the condenser. Air conditioner outside unit fan not working.

Make sure it s in the on position as someone might have accidentally left it in the off position. The unit freezes up. In the heating mode if it s a heat pump it could eventually shut off on a high pressure safety device. Within this box is a shut off or emergency switch.

Air conditioner is turned off but fan keeps running if your blower fan is continuing to run after the system has already turned off and you made sure your thermostat isn t set to the on position then you ll want to try and pinpoint the issue. Central air conditioners are a convenient and economical way to cool down an entire house. You may find that there s a metal box hanging on the wall near the outside unit. The thermostat reaches the desired temperature the indoor unit shuts off the air stops blowing but the outdoor unit keeps on running.

Unfortunately they can be expensive to repair when something goes wrong. Remove and replace it with a new thermostat. Your system is probably low on freon and needs to be recharged. If it is faulty it may not tell your air conditioning system to turn off when it should.

Outdoor unit won t shut off unless i use the circuit breaker. If you re lucky enough to have a unit with a reset switch located near the outside unit all you need to do is simply press the switch. Fried contactor getting stuck not releasing. An ac compressor that won t turn on.

Thermistor the thermistor is what detects the indoor temperature of your home. To turn the blower fan off simply set your thermostat to the auto option. Turn the thermostat up to a temperature at or near the outside temperature. If it does the problem is not likely the thermostat.

Main control your air conditioning system has a control board in it that provides the power to the compressor and the fan motors. If the unit continues to run it may be the thermostat.