21
6 Commissioning/Decommissioning
6.1.3 Internal Display and Operating Elements
NOTICE
Legend: LED
is off
flashes
lights up
Multifunction key T 2
Maintenance switch S 1
Operation (green) LED 6 Operating mode (green) LED 5
Operation Measurement
Calibration
Offset compensation (flashes slowly)
With test gas/comparative measure-
ment (flashes quickly)
Maintenance mode off
Maintenance mode on
Maintenance (orange) LED 1 Warning/fault (red) LED 12
Maintenance mode active
Normal operation
No warning / fault
At least one warning present
At least one fault present
Function Key operation
Toggle the displayed warning/ fault Press briefly
Reset the displayed warning/fault Press for longer than 3 sec*
Abort cold-start Press for longer than 3 sec**
Trigger an offset calibration to ambient air Press key for longer than 3 sec
during measurement**
* Some warnings and faults cannot be reset if the error is still present or the routine is
still running.
** If at least one warning or fault is still present, the key must be pressed for longer than
6 seconds.
To Next Page
Loading...
