Sensor Missing Alarm

Enabled PID and XCell sensors are continuously monitored for proper function. If, during operation, the PID or an XCell sensor is detected as failed or disconnected, this alarm message appears.

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"SENSOR MISSING" flashes on the display.

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The problematic sensor is indicated.

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The alarm sounds and the Fault and Alarm LEDs flash.

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The alarm can be silenced by pressing the p button; no other pages can be viewed.

WARNING! 

When this alarm occurs, the device is inoperative for measuring gases. The user must exit the hazardous area, the device must be powered down, and the sensor situation must be corrected.

Failure to follow this warning can result in serious personal injury or death.