Endress+Hauser Liquiphant FTL64 - Event Logbook Details; Event History and Message Categories

Liquiphant FTL64 HART Diagnostics and troubleshooting
Endress+Hauser 45
Diagnostic
number
Short text Remedy instructions Status
signal
[from the
factory]
Diagnostic
behavior
[from the
factory]
495 Diagnostic event
simulation active
Deactivate simulation S Warning
538 Configuration Sensor Unit
invalid
1. Check sensor configuration
2. Check device configuration
M Warning
Diagnostic of process
801 Supply voltage too low Increase supply voltage F Alarm
802 Supply voltage too high Decrease supply voltage S Warning
805 Loop current faulty 1. Check wiring
2. Replace electronics
F Alarm
806 Loop diagnostics 1. Check supply voltage
2. Check wiring and terminals
M Warning
1)
807 No Baseline due to insuf.
volt. at 20 mA
Increase supply voltage M Warning
825 Electronics temperature 1. Check ambient temperature
2. Check process temperature
S Warning
1)
826 Sensor temperature out of
range
1. Check ambient temperature
2. Check process temperature
S Warning
1)
842 Process limit 1. Check process density
2. Check fork
F Alarm
846 HART Non-Primary
Variable Out of Limit
Check device specific diagnosis. S Warning
847 HART Primary Variable
Out of Limit
Check device specific diagnosis. S Warning
848 HART Device Variable
Alert
Check device specific diagnosis. S Warning
900 Process alert frequency
too low
Check process conditions M Warning
1)
901 Process alert frequency
too high
Check process conditions M Warning
1)
1) Diagnostic behavior can be changed.
11.7 Event logbook
11.7.1 Event history
The Event list submenu provides a chronological overview of the event messages that
have occurred
4)
.
Navigation: Diagnostics → Event logbook
A maximum of 100 event messages can be displayed in chronological order.
The event history includes entries for:
• Diagnostic events
• Information events
4) If operating via FieldCare, the event list can be displayed with the "Event List/HistoROM" function in FieldCare.