Oldham olct 80, User Manual, Page: 16 / 120

2
– Transmitter Overview
10
During normal operation
■
Single sensor : the display indicates the
concentration measured and also alternates
between the type of gas and the unit. The
indicator light blinks. The
indicator light is
off.
■
At least 2 sensors connected : the display can be
configured in one of two ways:
- To display the readings in succession (normal
mode).
- To display a single reading (see page Erreur !
Signet non défini. ).
Figure 9: display
under normal
operating conditions.
The green indicator
light blinks.
If a fault or error is detected
The display indicates an error or fault message (see
list of faults on page 111). The orange
indicator
light comes on and the icon is displayed at the
same time.
Press to list any other faults that may be present,
until you come to the word "FIN."
Figure 10: in the event
of an alarm or fault, the
type of fault is
displayed. The orange
fault indicator
light remains on as a
solid light.
Understanding the indicator lights
Light Off Blinking Solid
No power to detector. Detector powered.
Not applicable. No detector fault. Detector fault or
detector in
maintenance mode.
Level 1 alarm not
triggered. Level 1 alarm
triggered and not
acknowledged. Level 1 alarm
triggered and
acknowledged (remote
control).
Level 2 alarm not
triggered. Level 1 alarm
triggered and not
acknowledged. Level 2 alarm
triggered and
acknowledged (remote
control).
-