User Manual
    <3. Parameters>
3-17
IM 11M12D01-51E
3.6  Self-Diagnostics
Here we explain how to check Error or Alarm messages from the AV550G using a HART 
Communicator. The table below shows the correspondence between error and alarm messages 
displayed on the HART Communicator and corresponding error and alarm messages in the AV550G. 
For more details about these error and alarm messages, and troubleshooting procedures, refer to 
“Section 12. Troubleshooting” in the AV550G Instruction Manual.
3.6.1  Control Card Self-Diagnostics
    Call up “Detailed setup” display.
    1. Device setup ---> 4. Detailed setup
1
2
3
4
5
F030601-1.ai
STU
1
AV550G:
Detailed setup
 1 Control
 2 Channels
 3 Channel status
 4 Output condition
 5 Device information
SAVE
HOME
AV550G:
Control
 1 Error
 2 Alarm
SAVE
HOME
AV550G:
Error
 Ctrl card     OFF 
SAVE
HOME
HELP ON
AV550G:
Control
 1 Error
 2 Alarm
2
SAVE
HOME
AV550G:
Alarm
EXIT
HELP
STU
1
Select “ ”
Select “ ”
If OFF is displayed (at right) 
then there are no errors.
Revert to Error/Alarm screen.
Select “ ”
If OFF is displayed (at right) then 
there are no alarms. 
In the display at left, an Ave-a 
Oxygen Concentration Alarm has 
occurred. 
Display
Operation
Control
Error
Alarm
 Ave-a oxygen   ON
 Ave-b oxygen    OFF
 Ave-c oxygen    OFF
 Process gas   OFF 
 Cal gas press lo   OFF










