Walk In Freezer Evaporator Fans Not Running

See corrective steps for low suction pressure.

Walk in freezer evaporator fans not running. If the fan blades do not spin freely the fan motor bearings are worn out and the fan motor should be replaced. Unplug the refrigerator and remove the screw that holds the control box. In many cases the problem is do to the fact that the evaporator fan cannot operate. If the condenser fan is not running check the fan blades for obstructions.

Clean walk in cooler and walk in freezer condenser coils. Repair and add charge. Let s check the wiring first. If the fan motor does not turn on while you hold the switch the motor is probably bad.

If it turns on you should be able to clearly hear the electric motor activate and then a low hum from the fan spinning. Not running if the freezer has electrical power the inside light turns on but the compressor won t run a failed cold control thermostat could be the problem. If your refrigerator isn t getting cool the fan is just one of many possible reasons. If your freezer has electronic controls instead of a dial a failed relay on the electronic control board or a bad control panel can prevent the compressor from getting power.

The freezer light should turn off and the evaporator fan should kick on after a few seconds. Physically obstructed if the fan is not running unplug the refrigerator and remove the evaporator fan cover. Check fan motor and its electrical circuit. Next ensure that the blades spin free ly.

System overcharged with refrigerant. According to repair clinic other possible reasons include dirty evaporator coils a faulty thermostat or a bad evaporator motor compressor. Press and hold the switch for a minute. A loud blowing sound from the motor doesn t mean it s bad either.