19
07
Exception
Handling
6.4.5 Fahrenheit or Celsius Settings (CF)
User can set the display unit to Fahrenheit
or Celsius according to their habits. The
default temperature is Fahrenheit. If you
need to display the unit in Celsius, then set
the CF to C. Please note that when the CF
changes state, all setting values are
restored to the default setting and the
buzzer gives a short beeping prompt.
7.1 When the temperature sensor circuit is
short-circuited or open-circuit fault, the
controller starts the probe fault mode, it
will close all execution states, the buzzer
sounds and the digital tube displays ER,
then press any button to eliminate the
buzzer sound, after the fault is removed, it
will return to the normal working mode.
7.2 When the controller is powered off or in the
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