Waterpilot FMX21 Diagnostics and troubleshooting
Endress+Hauser 65
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 .
Past diagnostic messages that are no longer pending are shown in the Event logbook
submenu .
10.2.2 List of diagnostic events
General messages
Diagnostic event Reason Corrective measure
Code Description
0 No error - -
"F" messages
Diagnostic event Reason Corrective measure
Code Description
F002 Sensor unknown Sensor does not suit the device (electronic sensor
nameplate).
Contact Endress+Hauser
Service
F062 Sensor conn. • Faulty sensor.
• Electromagnetic effects are greater than
specifications in the technical data. This message
appears for a short time only.
• Check the sensor module
cable
• Contact Endress+Hauser
Service
F081 Initialization • Faulty sensor.
• Electromagnetic effects are greater than
specifications in the technical data. This message
appears for a short time only.
• Check sensor cable
• Contact Endress+Hauser
Service
F083 Memory content • Faulty sensor.
• Electromagnetic effects outside the permitted
range. This message appears for a short time only.
• Restart the device
• Contact Endress+Hauser
Service
F140 Working range P • Overpressure and low pressure present.
• Electromagnetic effects outside the permitted
range.
• Faulty sensor.
• Check the process pressure
• Check sensor range
F261 Electronic module • Main electronics defective.
• Fault in the main electronics.
Restart the device
F282 Memory • Fault in the main electronics.
• Main electronics defective.
Restart the device
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