88 • Start Up, Leak Check Mode GX-2012 Operator’s Manual
resetting (automatic) alarms. The number shown indicates the
voltage of the batteries. If the unit is powered by alkaline (dry cell)
batteries, a “D” will appear before the “V” in the lower right
corner.
11.The display then indicates the full scale values for all channels.
12.If the GX-2012 experiences a sensor failure during start up, a screen
indicating which sensor failed displays. In the example below, the
catalytic LEL sensor has failed.
If the catalytic LEL sensor fails, it is not possible to enter Leak
Check Mode. Press and release the RESET SILENCE button twice
to acknowledge the failure and return to the Mode Select Screen.
Replace the failed sensor as soon as possible.
If the oxygen, CO, or H
2
S sensor is installed and fails, press and
release the RESET SILENCE button to acknowledge the failure and
continue to Leak Check Mode.
If a vol% sensor is installed and fails, no indication will be given
and the unit will enter Leak Check Mode.
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