Display is stuck at 32 degrees or showing E3; Failed temp sensor

Potential Symptoms

  • Temperature stuck on 32 degrees.
  • Display showing E3.
  • Power or signal wire/s have corroded through or fallen out of sensor terminal block but unable to re-secure wiring, screw will not turn.
  • Sensor was damaged from a drop or was possibly hit.


  • Product Family: Digit and Price Displays
  • Product: DataTime, DF-1010, DF-1011, DF-1012, Time & Temperature Display
  • Component: Temperature sensor
  • Control System: DM-100


  • Temp sensor has failed.
    • Physical damage or corrosion found on the temp sensor and/or terminal block.


  • Replace temperature sensor card or assembly as needed.

KB ID: DD1991088

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