Endress+Hauser NRF81 - Page 91

Tankside Monitor NRF81 Diagnostics and troubleshooting
Endress+Hauser 91
Diagnostic
number
Short text Remedy instructions Status
signal
[from the
factory]
Diagnostic
behavior
[from the
factory]
334 System recovery failure HW changed, system recovery
failure. Return to factory
F Alarm
381 Displacer distance invalid 1. Calibrate sensor
2. Restart device
3. Replace sensor electronics
F Alarm
382 Sensor communication 1. Check connection of sensor
electronics
2. Restart device
3. Replace sensor electronics
F Alarm
Diagnostic of configuration
400 AIO simulation output Deactivate simulation AIO
output
C Warning
401 DIO simulation output Deactivate simulation DIO
output
C Warning
403 Calibration AIO 1. Restart device
2. Change I/O module
F Alarm
404 Calibration AIP 1. Restart device
2. Change I/O module
F Alarm
405 COMM timeout DIO 1 to 8 1. Check wiring
2. Change I/O module
F Alarm
406 IOM offline 1. Check wiring
2. Change I/O module
F Alarm
407 COMM timeout AIO 1 to 2 1. Check wiring
2. Change I/O module
F Alarm
408 Invalid range AIO 1 to 2 1. Check device configuration.
2. Check wiring.
C Warning
409 RTD temp out of range 1 to 2 1. Check electronic modules
2. Change I/O or main electronic
module
C Warning
410 Data transfer 1. Check connection
2. Retry data transfer
F Alarm
411 Hart device 1 to 15 has
malfunction
1. Check HART device
2. Change HART device
F Alarm
1)
412 Processing download Download active, please wait C Warning
413 NMT 1 to 15: element is
open or short
1. Check NMT wiring
connection
2. Replace NMT
C Warning
415 Hart device 1 to 15 offline 1. Check HART device
2. Change HART device
C Warning
434 Real time clock defective Replace main electronics C Warning
436 Date/Time incorrect Check date and time settings. M Warning
437 Configuration incompatible 1. Restart device
2. Contact service
F Alarm
438 Dataset 1. Check data set file
2. Check device configuration
3. Up- and download new
configuration
M Warning
441 AIO 1 to 2 current output
alarm
1. Check process
2. Check current output settings
F Alarm
442 AIO 1 to 2 current output
warning
1. Check process
2. Check current output settings
C Warning