Central air conditioners are a convenient and economical way to cool down an entire house.
Outside central air unit will not turn off.
If the unit continues to run it may be the thermostat.
The unit freezes up.
Your system is probably low on freon and needs to be recharged.
Thermistor the thermistor is what detects the indoor temperature of your home.
You may find that there s a metal box hanging on the wall near the outside unit.
Either turn off the breaker in the panel or pull the disconnect switch outside at the condenser.
An outdoor air conditioner that won t shut off can occur on central air conditioning systems or on heat pumps when in cooling mode.
This is an issue that you ll want to solve as soon as possible to avoid unnecessary energy consumption not to mention damage to your system.
An ac compressor that won t turn on.
If it does the problem is not likely the thermostat.
The thermostat reaches the desired temperature the indoor unit shuts off the air stops blowing but the outdoor unit keeps on running.
Fried contactor getting stuck not releasing.
Wait to see if the air conditioning unit fan eventually shuts off.
Turn the thermostat up to a temperature at or near the outside temperature.
Within this box is a shut off or emergency switch.
Air conditioner outside unit fan not working.
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.
Main control your air conditioning system has a control board in it that provides the power to the compressor and the fan motors.
To turn the blower fan off simply set your thermostat to the auto option.
Outdoor unit won t shut off unless i use the circuit breaker.
If you do not have a reset switch you can turn off your air conditioner at the thermostat and wait for 5 minutes before turning it back on.
In the heating mode if it s a heat pump it could eventually shut off on a high pressure safety device.
If your central air conditioner will not turn on try to troubleshoot the problem yourself before calling a serviceman out to your home.
Remove and replace it with a new thermostat.
If it is faulty it may not tell your air conditioning system to turn off when it should.
Make sure it s in the on position as someone might have accidentally left it in the off position.