Endress+Hauser MODBUS RS485, Operating Instructions Manual

Page: 64 / 92

Diagnostics and troubleshooting LPGmass Modbus RS485
64 Hauser
Diagnostic
number
Short text Remedy instructions Status
signal
[from the
factory]
Diagnostic
behavior
[from the
factory]
832 Electronic temperature too
high Reduce ambient temperature S Warning
1)
833 Electronic temperature too
low Increase ambient temperature S Warning
1)
834 Process temperature too
high Reduce process temperature S Warning
1)
835 Process temperature too
low Increase process temperature S Warning
1)
843 Process limit Check process conditions S Warning
862 Partly filled pipe 1. Check for gas in process
2. Adjust detection limits S Warning
910 Tubes not oscillating 1. Check electronic
2. Inspect sensor F Alarm
912 Medium inhomogeneous 1. Check process cond.
2. Increase system pressure S Warning
1)
912 Inhomogeneous S Warning
1)
913 Medium unsuitable 1. Check process conditions
2. Check electronic modules or
sensor
S Alarm
1)
944 Monitoring failed Check process conditions for
Heartbeat Monitoring S Warning
1)
948 Tube damping too high Check process conditions S Warning
990 Special event 4 Contact service F Alarm
991 Special event 8 Contact service F Alarm
992 Special event 12 Contact service F Alarm
1)
1) Diagnostic behavior can be changed.
12.7 Pending diagnostic events
The Diagnostics menu allows the user to view the current diagnostic event and the
previous diagnostic event separately.
To call up the measures to rectify a diagnostic event:
• Via "FieldCare" operating tool →  61
• Via "DeviceCare" operating tool →  61
Other pending diagnostic events can be displayed in the
Diagnostic list submenu
→  65
Navigation
"Diagnostics" menu

Diagnostics
Actual diagnostics →  65
Previous diagnostics →  65