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2-9

OPERATION

2.2.9 Sensor Conrmation Check

The symbol appears adjacent to each sensor type to

conrm that the sensor has been zeroed correctly.

Fig. 2-11 Sensor Check Displays

If a sensor fails to zero correctly, the display will be red, the

audible / visual alarms activate and a symbol is displayed

adjacent to the faulty gas type, as illustrated in Fig. 2-12:

Fig. 2-12 Failed Sensor

To acknowledge this fault, press the Right Hand (RH) button

once. This will clear the audible / visual alarm and

display a ashing spanner symbol alternating with the faulty

sensor zero reading.

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GMI PS241 Specifications

General