RKI Instruments Gas Tracer - Manual (Page 104)

96 • Start Up, Bar Hole Mode Gas Tracer Operator’s Manual
corner.
11.The display then indicates the following items for about a second
each:
• Full scale values for all channels
• Warning setpoint (low gas alarm) for all channels
• Alarm setpoint (high gas alarm) for all channels
• STEL alarm setpoint for the CO channel
• TWA alarm setpoint for the CO channel
12.If the Gas Tracer experiences a sensor failure during start up, a
screen indicating which sensor failed displays. In the example
below, the combustible gas %volume sensor has failed.
If one of the combustible sensors, LEL or % volume, fails, it is not
possible to enter Bar Hole Mode. Press and release the RESET
SILENCE button to acknowledge the failure and return to the
Mode Select Screen. Replace the failed sensor as soon as possible.
If the oxygen sensor fails, press and release the RESET SILENCE
button to acknowledge the failure and continue to Bar Hole Mode.
The gas reading for the oxygen sensor will be replaced by “XXX”.
Replace the failed sensor as soon as possible.
If the CO sensor is installed and fails, press and release the RESET
SILENCE button to acknowledge the failure and continue to Bar
Hole Mode.
bAtt
3.7
AL-H D: V
FAIL
vol%
CH
4
SENSOR