Walk In Freezer Defrost Timer Troubleshooting

Service call on a walk in freezer not working in this video i explain how the electric defrost system works in detail.

Walk in freezer defrost timer troubleshooting.

In order to effectively troubleshoot this problem a technician must understand the design and operation of the defrost systems typically used. If the timer stops during the defrost segment of the cycle frozen food will be in danger of thawing out and refrigerator components will cease to operate. The presence of warm humid air in your walk in is the most likely reason for ice build up issues. It needs to be turned until the fan stops which means your fridge has reset the defrost button.

Your walk in door may not be sealing properly because of old or damaged gaskets. To reset the refrigerator defrost timer tepte simply states to locate the circular notch on the timer and turn it counterclockwise with a flathead screwdriver. While servicing this display cooler for an unrelated problem i noticed the defrost timer installed in a way that will almost certainly cause early compressor failure. A systematic approach to walk in cooler and freezer maintenance is the technician s best guide.

For editing my videos i use adobe prem. An electric resistance heater is placed on the outer surface of the evaporator s coils. Defrost timer troubleshooting tips if the timer stops in run cycle the refrigerator fails to automatically defrost frost build up occurs on the evaporator and air flow is restricted. This is comprised of several components including a defrost timer resistive heater s defrost termination switch fan cycling control and drain line heater.

Because this is a cooler and not a freezer it is set to defrost by simply shutting off the compressor four times per day while still running the evaporator fans. Although there are several possible causes one common cause involves the defrost system. One popular method of defrosting walk in freezers is the electric defrost system. Remove the back or bottom panel using a phillips screwdriver to expose the defrost timer.

Without a proper seal outside air can enter your freezer and cause problems. Walk in freezer paragon defrost control. It is also a large energy user in these facilities but is rarely considered until problems emerge. When troubleshooting walk in freezers technicians often find a frozen evaporator coil.

Assemble the timer back onto the fridge and reinstate the power supply. The ubiquitous walk in cooler or freezer is an essential part of many cafeterias restaurants and convenience stores. Do not apply more pressure.