Diagnostics and troubleshooting Deltabar FMD71, FMD72
66 Endress+Hauser
Diagnostic event and event text
The fault can be identified by means of the diagnostic event.
The event text helps you by providing information on the fault.
Diagnostic event
Status signal Event number Event text
↓ ↓ ↓
Example
A0013958
841 Sensor range
3-digit number
If two or more diagnostic events are pending simultaneously, only the diagnostic message
with the highest priority is shown.
Other diagnostic messages that are pending can be viewed in the Diagnostic list submenu
→ 100.
Past diagnostic messages that are no longer pending are shown in the Event logbook
submenu→ 100.
10.2.2 List of diagnostic events
General messages
Diagnostic event Cause Corrective measure
Code Description
0 No error - -
"F" messages
Diagnostic event Cause Corrective measure
Code Description
F002 Sens. unknown
LP/HP
Sensor module does not suit the device (electronic
sensor module nameplate).
Contact Endress+Hauser
Service
F062 Sensor conn. • Electromagnetic effects are greater than
specifications in the technical data. This message
appears for a short time only.
• Sensor module defective.
• Cable connection between sensor module and
main electronics disconnected.
• Contact Endress+Hauser
Service
• Replace electronics
• Check the sensor module
cable
F081 Initialization • Electromagnetic effects are greater than
specifications in the technical data. This message
appears for a short time only.
• Sensor module defective.
• Cable connection between sensor module and
main electronics disconnected.
• Contact Endress+Hauser
Service
• Check sensor cable
• Perform a reset
F083 Permanent mem.
LP/HP
• Electromagnetic effects outside the permitted
range. This message appears for a short time only.
• Sensor module defective.
• Contact Endress+Hauser
Service
• Restart device
F140 Working range P
LP/HP
• Overpressure and low pressure present.
• Electromagnetic effects outside the permitted
range.
• Sensor module defective.
• Check the process pressure
• Check sensor module
range