Should your Heatcraft freezer give you trouble, you’ll want to know how to diagnose the issue and resolve it quickly to decrease the downtime your unit could have. There could be a wide variety of issues so be sure to take a look at our Heatcraft walk-in freezer troubleshooting tips to help.
Heatcraft Walk-In Freezer Troubleshooting Guide
There are many crucial components in a walk-in freezer. Here are a few common issues and their solutions to help you get your unit back up and running like new:
Issue
Possible Causes
Possible Solutions
Fans aren’t working
Main switch is open
Fuse is blown
Motor is defective
Coil isn’t getting cold enough
Close the switch
Replace the fuses
Replace the motor
Adjust the fan delay setting of the thermostat
Room temperature is too high
Room thermostat is set too high
System is low on refrigerant
Iced up coils
Unit is located too close to the doors
Heavy air infiltration
Adjust the thermostat
Add more refrigerant
Manually defrost the coils
Relocate the cooler unit or install a strip curtain to the door opening
Seal any openings in the room
Ice accumulating in drain pan
Defective heater
Unit not pitched properly
Plugged drain line
Defective drain line heater
Defective timer or thermostat
Replace the heater
Check and adjust the unit mount
Clean the drain lines
Replace the heater
Replace the defective component
Uneven coil frosting
Defective heater
Unit is positioned too close to the doors
Defrost terminator is set too low
Incorrect or missing distributor nozzle
Replace the heater
Relocate the evaporator
Adjust the defrost termination setting higher
Add or replace the nozzle
Please contact a local authorized service agent who can help with these specific units and all your commercial kitchen equipment needs.
