Why is my Unifrost commercial fridge controller ‘stuck’ or temperature-locked after a power cut?
FAQ
This is often a keypad lock or safety lockout, not a refrigeration fault. After a power interruption the controller can:
Need more detail? For model comparisons, setup steps and troubleshooting, see the related guides below.
This is often a keypad lock or safety lockout, not a refrigeration fault. After a power interruption the controller can:
Return in “locked” mode to prevent accidental setpoint changes by staff during a restart.
Hold user inputs while the cabinet stabilises, especially if the temperature is still outside normal operating range.
Show an alarm or warning state (for high temperature or power-fail memory) that makes it feel “stuck” until it is acknowledged.
Before changing anything, confirm the cabinet is actually cooling again by checking an independent probe thermometer in product or a glass of water, and record the time and temperatures for HACCP.
Read the full guide: Why Your Unifrost Commercial Fridge Controller is Temperature Locked After a Power Cut.