User manual

APPENDIX AX
IB-106-300NX SERIES
2-1
Before conducting any work on the
probe, consult probe Safety Data Sheet
1M03226.
Install all protective equipment covers
and safety ground leads after trouble-
shooting. Failure to replace covers and
ground leads could result in serious
injury or death.
SECTION II. PROBE TROUBLESHOOTING
2-1. OVERVIEW.
The probe troubleshooting section
describes how to identify and isolate operating faults
which may develop in the probe assembly.
2-2. PROBE TROUBLESHOOTING
.
a. Probe Faults
.
The three symptoms of probe
failure are:
1. The system does not respond to changes in
the oxygen concentration.
2. The system responds to oxygen changes but
does not give the correct indication.
3. The system does not give an acceptable
indication of the value of the oxygen test gas
being applied during calibration.
b.
Table 2-1 provides a guide to fault finding for the
above symptoms.
c.
Figures 2-1 and 2-2 provide an alternate approach
to finding probe related problems.