Extremely Cold Temperature on Display
- Temperature in a Sub-Zero shows very cold temperatures like -20°
- Temperature not showing correctly
- Unit runs all the time and extremely cold temperature shows on control
- Refrigerator and freezer temperatures are reading too cold
- Freezer is too cold and runs constant
- Unit may be in wrong temperature mode
- Stuck relay may cause compressor to continuously run and create very cold temperatures
- Verify the unit is connected to a dedicated power source.
- Turn unit off at the control panel and listen. If the unit is still running, service is needed.
- Verify the unit is not being powered by a generator.
- Verify the unit is set to show temperatures in degrees Fahrenheit. See also:
- Built-In Series Temperature Unit Selection
- Designer (Formerly Integrated) Series Temperature Unit Selection
- Designer Wine Temperature Unit Selection
- 648PRO Temperature Unit Selection
- Undercounter (UC) Series Temperature Unit Selection
- 700 Series Temperature Unit Selection
- 600 Series Temperature Unit Selection
- 400 Series Temperature Unit Selection
- Turn the unit off at the circuit breaker for 5 minutes and turn it back on.
- Give the unit 24 hours to return to normal temperatures between -5°F and 5°F.
- See also, Refrigerator Too Cold.
If these steps do not resolve the issue, no further troubleshooting advice is available. Contact Factory Certified Service to schedule an appointment for repair.
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