OLCT 60
FIXED POINTGAS MONITOR
USER MANUAL
NPO60GB
Revision F.2
19
3.5.2
Fault mode
In fault condition, the display indicates «dEF» followed by the fault code.
In the event of an internal electronic error, the display indicates «E»
followed by the error code.
In both cases, the
FAULT indicator is lit. Proceed with the corrective
action in compliance with page Erreur ! Signet non défini.. See page
Erreur ! Signet non défini. for more warning code information.
L_00
Figure 24: Fault mode
3.5.3
Over-Range condition
(catalytic version only)
For safety reasons, when measuring a concentration of a flammable gas
above 100% LEL, the display indicates «SUP» and the
FAULT indicator
is lit. Meanwhile the analog output signal is set at 23.2 mA.
To exit this mode, swipe the magnet over
once you have
checked the absence of any explosive atmosphere with a portable
combustible gas monitor for example.
L_00
Figure 25: Over-
Range indication
3.6
Checking Zero
Proceed as follows:
Figure 26: Checking Zero
1. Inhibit any alarms on the controller.
2. Place the calibration cup over the sensor (Figure 26, rep. B).
3. Connect the calibration cup to the zero gas cylinder (rep. E) by using a tubing in PTFE (Pos.
C).
Summary of Contents for OLCT 60
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