Diagnostics and troubleshooting Proline t-mass I 300 HART
146 Endress+Hauser
Diagnostic
number
Short text Remedy instructions Status
signal
[from the
factory]
Diagnostic
behavior
[from the
factory]
262 Sensor electronic
connection faulty
1. Check or replace connection cable
between sensor electronic module
(ISEM) and main electronics
2. Check or replace ISEM or main
electronics
F Alarm
270 Main electronic failure Change main electronic module F Alarm
271 Main electronic failure 1. Restart device
2. Change main electronic module
F Alarm
272 Main electronic failure Restart device F Alarm
273 Main electronic failure Change electronic F Alarm
275 I/O module 1 to n
defective
Change I/O module F Alarm
276 I/O module 1 to n faulty 1. Restart device
2. Change I/O module
F Alarm
281 Electronic initialization Firmware update active, please wait! F Alarm
283 Memory content Reset device F Alarm
283 Memory content Restart device F Alarm
302 Device verification in
progress
Device verification active, please
wait.
C Warning
303 I/O 1 to n configuration
changed
1. Apply I/O module configuration
(parameter 'Apply I/O
configuration')
2. Afterwards reload device
description and check wiring
M Warning
311 Electronic failure 1. Do not reset device
2. Contact service
M Warning
332 Writing in HistoROM
backup failed
Replace user interface board
Ex d/XP: replace transmitter
F Alarm
361 I/O module 1 to n faulty 1. Restart device
2. Check electronic modules
3. Change I/O Modul or main
electronics
F Alarm
372 Sensor electronic (ISEM)
faulty
1. Restart device
2. Check if failure recurs
3. Replace sensor electronic module
(ISEM)
F Alarm
373 Sensor electronic (ISEM)
faulty
Transfer data or reset device F Alarm
375 I/O- 1 to n
communication failed
1. Restart device
2. Check if failure recurs
3. Replace module rack inclusive
electronic modules
F Alarm
378 Supply voltage ISEM
faulty
Check supply voltage to the ISEM F Alarm
382 Data storage 1. Insert T-DAT
2. Replace T-DAT
F Alarm
383 Memory content 1. Restart device
2. Delete T-DAT via 'Reset device'
parameter
3. Replace T-DAT
F Alarm
387 HistoROM data faulty Contact service organization F Alarm