It can be very frustrating when you are unable to turn off your air conditioner at home or the office. This could be from many factors. An air conditioner is one of the essential electrical appliances we all need in our homes and offices.

In this article, we will be going through what to do when your air conditioner won’t turn off at home or office. This electrical garget does not only cool our rooms and office but also enhances our working ability because it reduces our stress level and also maintains humidity.


We will go through the procedures on how to solve these challenges. Normally an air conditioner does not run all the time, it only runs two to three cycles in an hour depending on the temperature outside the room.

Sometimes your air conditioner may be facing this challenge if some of it’s components are faulty. You could have a dirty air filter, clogged condenser coils, frozen evaporator coils, a broken relay switch, or a bad thermostat and many other factor

Let’s see how to resolve this problem.

  1. Change the thermostat setting
  2. Clean the condenser unit
  3. Change air filter
  4. Clean the Blower motor fan

Follow the instruction below to clean the blower motor fan

  • Shut down power to the indoor equipment.
  • Remove the panel covering the blower chamber.
  • Loosen and remove screws on the circuit board and position it out of the way, if applicable.
  • Loosen and remove bolts holding the blower assembly and carefully remove it from the chamber.
  • Use a brush to clean away grime and dirt built up on the fan blades.
  • Run a vacuum to remove debris and other matter from the blower assembly and chamber.
  • Reposition the blower assembly in the chamber and tighten its screws. Reposition and secure the circuit board, if needed. Replace the blower chamber access panel.
  • Restore power to the indoor unit.

Reasons Why Your Air Conditioner Won’t Turn Off

Below are factors that could make your air conditioner not to turn off.

An electrical problem

Thermostat malfunctions

Incorrect thermostat setting

Dirty condenser coil

Problems with Fan Limit Switch

Frozen Evaporator Coils

Clogged Condenser Unit

Undersized Air Conditioner

Dirty Air Filter