What happens if evaporator fan motor stops working?

If the evaporator fan motor stops working, your freezer will begin to defrost. Most freezers don’t run the evaporator fan motor when the door is open, so if the fan does work, it will turn off when you open the door. Check the temperature setting on the freezer to be sure it’s on cold.

What controls the evaporator fan motor?

Evaporator Fan Control: Automatic Two-Speed Control vs. Constant Speed. An evaporator fan controller monitors refrigerant flow or compressor drive motor amps and reduces the speed of evaporator fans when the compressor is off. Especially useful for walk-in coolers and freezers.

What should I do if my evaporator fan is not running?

If you don’t see any damage, then you should have the evaporator fan bench tested by a service technician. During a bench test, the service technician will apply 120 volts to the evaporator fan motor to see whether it runs or not. If the fan does not run in the bench test, replace the evaporator fan motor.

Why is my freezer not getting power from the evaporator fan?

If it doesn’t, the problem may be that the freezer isn’t getting power, rather than an issue with the evaporator fan motor. Make sure the freezer is plugged in tightly. If you don’t think power is reaching the freezer, check the breaker or fuse that powers that room of the house.

What kind of fan does an evaporator have?

The evaporator fan motor did come on and increased in speed with each corresponding increase in voltage supplied. Model # is DSS25KGRE. Can we tell if it is the control board or the fan motor from this test?

Why is my air conditioner fan not running?

They usually stick open, never sending the signal to the motor. This is much easier and less expensive to repair than a motor going bad. A weak, faulty, or shorted capacitor can prevent the motor from running. And of course, the motor itself can always go bad. Sometimes the bearings seize.

Why is my evaporator fan not working properly?

If the evaporator fan doesn’t run in the diagnostic test mode, then you could have a defective control board, but the problem could also be a bad evaporator fan or a break in the wiring. Let’s check the wiring first. Unplug the refrigerator and remove the screw that holds the control box.

Can a bad capacitor cause a fan not to start?

You took over its job of kick-starting the fan by pushing the blades. If the fan doesn’t start running, you may have a bad fan motor. If you have difficulty getting the blades to turn, there may be debris wrapped around the fan axle, or the motor bearings may be dirty or jammed. Here’s a second way to check for a bad capacitor.

What should I do if my Refrigerator fan is not running?

With a little troubleshooting you can determine the cause of your malfunctioning evaporator fan to replace it if necessary. If the fan is not running, unplug the refrigerator and remove the evaporator fan cover. In many cases the problem is do to the fact that the evaporator fan cannot operate freely due to an ice buildup on the fan blades.