Why does my condenser fan keep running?

A common reason a condenser fan is continually running within a refrigerator is the thermostat. This sensor takes readings from the refrigerator (and freezer if you have one) and flips the cooling system on when it sees the temperature isn’t where it needs to be.

What would cause a furnace blower not to kick on?





If you see or hear the fan turn on, your blower motor is not the culprit. If the fan does not start, you have a wiring issue (circuit breaker trips) or motor problem (circuit breaker does not trip). While your thermostat may be at fault, only an HVAC technician can diagnose and remedy the issue correctly.

Should my condenser fan run when the heat is on?

The fan on your unit should spin when you want air in your house and shouldn’t spin when the temperature of your house matches the thermostat setting. Heat pumps take in hot air from the outside and cool it before blowing it into your home.

What can causes a condenser fan motor to run backwards?

Your capacitor is too small. The new motor you list requires a 10 MFD capacitor to run at 240 VAC. Since the OEM capacitor in the unit is only 5 MFD, the new motor will randomly run backward and it will run with far less than its rated HP. Also, you should connect the new motor to run on LOW (red wire).

Why is my central AC running but not blowing air?

If your central AC is not blowing cold air, the refrigerant may be the problem. The unit could be running low and need additional refrigerant added. The most likely cause of this is a leak. A leak not only keeps the AC unit from cooling properly, but also it can cause other issues within the home.

What does it mean when your AC fan won’t turn off?





The most common reason that your Air Conditioner fan won’t turn off is because a stuck relay keeping the circuit closed. If it’s not the relay, your thermostat likely has a shorted cable or needs to be replaced.

How do I reset my blower motor?

How to Find and Reset your Furnace Motor Blower

  1. Step 1: Turn off the power to the furnace. …
  2. Step 2: Remove the blower compartment cover. …
  3. Step 3: Make sure the blower is completely cooled off. …
  4. Step 4: Locate the reset button. …
  5. Step 5: Press the button in (assuming that this is your issue and that the button has popped).


Where is the blower motor reset button?

Locate the reset button on the furnace and press it to reset the furnace. It is usually located inside the blower compartment on the side of the blower motor. Be cautious as the housing may be hot. If the button is popped up, press it down.

How do you know if your blower motor is bad?



Here are 4 common symptoms of a bad blower motor:

  1. Low/no airflow from vents. The classic sign of a bad blower motor is restricted airflow coming from your air vents. …
  2. Strange sounds coming from blower. …
  3. Circuit breaker keeps tripping. …
  4. Hot/burning smell coming from air vents.


Why is my AC motor running backwards?

Three-phase motors



If the motor is running the wrong direction, that means it is not in the correct phase sequence. This happens to be an easy fix: all you need to do is swap any two the power leads to flip/reverse the magnetic field, and the most common practice is to switch lines 1 and 3.

How do you change the direction of a condenser fan motor?



Quote from the video:
Quote from Youtube video: Your disconnect and then discharge your capacitor holding only the insulated part of the screwdriver. And discharge all of them just to the shape. You got to do is separate these.

Which way should condenser fan spin?

Lay your fan blades flat on a table or the floor. You should notice that there is a portion of the blade that is raised: this indicates the fan’s direction. If the right side is raised, it should spin clockwise. The left-side raised means it turns counterclockwise.

How do I know if my fan is CW or CCW?

Look at the blade that is in the 12 o’clock position. One side of the blade will be resting on the floor and one side will be raised. – If the Right side is raised, then your fan is Clockwise. – If the Left side is raised, then your fan is CounterClockwise.

Can you put a fan blade on backwards?

A word about installation: It is possible to install an engine fan backwards. Contrary to popular belief, a fan installed backwards does not move air in the opposite direction.

When should AC fan turn on?



Your HVAC fan should turn on and off with the rest of your heating and cooling system. It’s normal for the fan to kick on a couple of minutes before heating starts or to stay on for a couple of minutes after cooling stops, but your fan shouldn’t run for hours on its own.

Is it OK to run the air conditioner fan continuously?

Pros to Running Fan on Air Conditioner Continuously:



Less frequent starts and stops of the fan can reduce the stress from startup, and potentially help extend it’s lifespan. Leaving the fan on 24/7 ensures cleaner air, as the air is pulled through the filtration or UV light system.

When Should car condenser fan run?

One is used on the radiator, while the other is found on the condenser. To tell them apart, you might need to reference your car’s service manual. Many cars use the same fan for both the radiator and the condenser though. Anytime the air conditioning is on, your condenser fan should be running.

How do I know if my condenser fan is bad?

5 Signs Your AC Fan Motor Is Bad

  1. The cooling fans won’t turn on.
  2. The fan turns on when the AC is running, but the blades rotate slowly.
  3. You can hear a rattling noise coming from the condenser unit.
  4. It smells like something’s burning.
  5. Blown fuse.



What controls the condenser fan?

The condenser fan relay is the electronic relay that controls the power to the AC condenser cooling fan. When the relay is activated the AC condenser fan is switched on so that it can keep the AC condenser cool.