6. Error Description
Sensor Fault Alarm: when temperature sensor is in short circuit or open loop, the
controller will initiate sensor fault mode, and cancel all the actions. The buzzer will alarm,
LED displays ER. Buzzer alarm could be dismissed by pressing any key. After faults solved,
the system will return to normal working mode.
Over-temperature Alarm: when measured temperature exceeds the measuring
range (less than -50°C /-58° F or higher than 99 °C/210 ° F), the controller will initiate
over-temperature alarm mode, and cancel all the actions. The buzzer will alarm, LED
displays HL. Buzzer alarm could be dismissed by pressing any key. When temperature
returns to measuring range, the system will return to normal working status.
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