![ABB AO2000 Series Operating Instructions Manual Download Page 128](http://html.mh-extra.com/html/abb/ao2000-series/ao2000-series_operating-instructions-manual_4321128.webp)
128
AO2000
CONTINUOUS GAS ANALYZERS | OI/AO2000-EN REV. B
Power supply activation
NOTE
The gas analyzer may not be calibrated until the warm-up phase has been
concluded.
Power supply activation
1
Turn on the power supply of the gas analyzer with the external breaker
switch.
2
If necessary, turn on the separate 24-VDC power supply of the analyzer
module.
3
The following events will occur after the power supply is turned on:
1
The three "Power", "Maint" and "Error" LEDs light up.
2
The different booting phases are displayed on the screen. Also the
software version is displayed.
3
After a brief time the screen switches to measurement mode.
4
The softkey
STATUS
MESSAGE
appears on the screen. This indicates the possibil-
ity of a temperature or flow problem during the warm-up phase. By
pressing the softkey the user can recall the status message sum-
mary and view status message details.