This was a service call on walk in freezer that wasn t cooling.
Walk in cooler evaporator fan not working.
This was a walk in cooler that had been down for a few days.
I found that the unit had a tripped head pressure controller and a condenser fan motor that w.
Walk in freezer everything runs ok only its not blowing cold air inside the box the lowside of the compressor reading is 10psi and the amps on each lead shows 2 2 amps what is it that my lowside pressure is so low please let me know what i should look for to fix this problem i have been working on the freezer for week still at first nothing was running at all slowly one by one everything.
It is also a big energy user but is rarely even thought of until an issue happens.
The walk in freezer or walk in cooler is a major part of many convenience stores cafeterias and restaurants.
The purpose of the evaporator fan in a refrigerator is to circulate cold air from the evaporator coils throughout the food storage compartments.
If the fan is not running unplug the refrigerator and remove the evaporator fan cover.
Open the freezer door and feel for cool air with your hand.
If the freezer is cold there likely isn t an issue with the evaporator fan motor.
The evaporator coils are usually located behind the freezer compartment and the evaporator fan should be right in front of them although it may be offset to one side or the other.
Feel for cold air in the freezer.
In many cases the problem is do to the fact that the evaporator fan cannot operate freely due to an ice.
See how to use continuity checks to identify the problem and make sure that the fan motor electronic control board and the wiring that connects them are work correctly.
You can also find a variety of other accessories including replacement switches guards fans and refrigerator motors.
If your refrigerator isn t cooling and you don t hear the fridge fan running this video guides you through diagnosing what s wrong with the refrigerator evaporator fan.
Walk in cooler and freezer problems like compressor failure and failure to maintain pressure can result in costly loss of products inside the cooler.
If the evaporator fan motor stops working your freezer will begin to defrost.