7. Error Description
Sensor Error Alarm: When the temperature sensor circuit is short circuit or open
circuit, the controller starts sensor error mode and closes all running status, the buzzer
alarm sounds, screen displays ER. Press any keys can cancel buzzer alarm, the system
returns to the normal working status after error is cleared.
Over-temperature Alarm: When the measuring temperature exceeds the
temperature measuring range, the controller starts over-temperature error alarm mode
and closes all running status, the buzzer alarm sounds, screen displays HL. Press any keys
can cancel buzzer alarm, the system returns to the normal working status after the
temperature returns to measuring range.
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