Diagnosis Code Messages; Category F Diagnosis Code Messages - Endress+Hauser Proline Prosonic Flow 91 Operating Instructions Manual

Troubleshooting
Code on Cause
local display
F 001 Serious device error
Device fault
F 062 Connection between "down" sensor and
Sensor connection transmitter interrupted.
Connection between "up" sensor and
transmitter interrupted.
F 282 Faulty EEPROM
Data storage
F 283 Error accessing EEPROM data
Memory contents
F 412 DAT transmitter:
Writing backup Data back-up (download) to T-DAT failed or
error when accessing (uploading) the values
F 413
saved in the T-DAT.
Reading backup
F 881 Attenuation of acoustic measurement
Sensor signal section too high.
50
9.2

Diagnosis code messages

9.2.1

Category F diagnosis code messages

Remedy
(Spare parts → ä 55)
Replace the amplifier board.
– Check the cable connection between the sensor and
the transmitter.
– Check that the sensor connector is fully screwed in
.
– The sensor may be defective.
– Incorrect sensor connected
– A wrong sensor was selected in the function SENSOR TYPE.
Replace printed circuit board.
Replace printed circuit board.
1. Check whether the T-DAT is correctly plugged into the amplifier
2. Replace T-DAT if defective.
3. Replace electronics boards if necessary.
– Check to see if the coupling fluid must be renewed.
– It is possible that the fluid indicates too much attenuation.
– It is possible that the pipe indicates too much attenuation.
– Check the sensor spacing (Installation dimensions).
– Reduce the number of traverses if possible.
board → å 35.
Before replacing a DAT, check whether the new replacement
DAT is compatible with the existing electronics.
Check the:
– Spare part set number
– Hardware revision code
Proline Prosonic Flow 91
Device behavior:
factory setting
( ) = options
Alarm
(–)
Alarm
(–)
Alarm
(–)
Alarm
(–)
Notice
(–)
Alarm
(–)
Alarm
(–)
Endress+Hauser