Time and Temp Display with E3 Error, No heartbeat on temp sensor; Incorrect wiring

Potential Symptoms

  • Getting E3 error on time & temp display.
  • No heartbeat light flashing on temp sensor.


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


  • Wiring for the temperature sensor is incorrect on the temperature sensor or on the driver.


KB ID: DD2014458

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