AO2000 CONTINUOUS GAS ANALYZERS  |  OI/AO2000-EN REV. B  141
 
 
 
Status LEDs 
Status LEDs 
Error Maint Power
7
8
9
654
12
3
0
.
 
The three LEDs next to the screen show the user the gas analyzer’s status. 
Power
 
The green "Power" LED lights when the power supply is on. 
Maint
 
The yellow "Maint" LED lights when the "Maintenance request" status signal 
is active.   
The STATUS MESSAGE softkey appears on the screen at the same time. 
Error
 
The red "Error" LED lights when the "Failure" status signal or the overall sta-
tus signal is active. 
The STATUS MESSAGE softkey appears on the screen at the same time. 
NOTE 
Chapter "Status messages, troubleshooting" (see page 315) contains de-
tailed information on status messages and status signals.