Endress+Hauser Prothermo NMT81 - Page 96

Diagnostics and troubleshooting Prothermo NMT81
96 Endress+Hauser
NMT81
Error code
Short text NMT539
Error
code
Short text Diagnostic
behavior
[from the
factory]
801 Supply voltage too low 42 Memory defect (EEROM) F
272 Main electronics faulty 42 Memory defect (EEROM) F
283 Memory content inconsistent 42 Memory defect (EEROM) F
252 Module incompatible 42 Memory defect (EEROM) F
242 Firmware incompatible 42 Memory defect (EEROM) F
437 Configuration incompatible 42 Memory defect (EEROM) F
270 Main electronics defective 42 Memory defect (EEROM) F
62 Sensor connection faulty 42 Memory defect (EEROM) F
101 Sensor temperature 42 Memory defect (EEROM) S
61 Sensor electronics faulty 42 Memory defect (EEROM) F
281 Electronic initialization active 42 Memory defect (EEROM) F
805 Loop current faulty 42 Memory defect (EEROM) F
410 Data transfer failed 42 Memory defect (EEROM) F
484 Failure mode simulation active 42 Memory defect (EEROM) C
538 Configuration Sensor Unit
invalid
41 Memory defect (RAM) M
586 Calibration active 41 Memory defect (RAM) C
491 Current output simulation active 41 Memory defect (RAM) C
412 Processing download 41 Memory defect (RAM) C
844 Process value out of
specification
41 Memory defect (RAM) S
431 Trim required 41 Memory defect (RAM) C
802 Supply voltage too high 41 Memory defect (RAM) S
441 Current output out of range 41 Memory defect (RAM) S
825 Operating temperature 41 Memory defect (RAM) S
287 Memory content inconsistent 41 Memory defect (RAM) M
311 Electronic failure 41 Memory defect (RAM) M
438 Dataset different 41 Memory defect (RAM) M
495 Diagnostic event simulation
active
41 Memory defect (RAM) C