Endress+Hauser RIA251 Mise En Service page 28

Process display
Process display system fault messages
Effect
Display indicates:
NNNNN
„ "
Display indicates:
UUUUU
„ "
Display indicates:
SAVE?
„ "
Display flashes:
SAVE
„ "
26
Cause
Low range: An input signal of
≤ 3.6 mA is connected to the
terminals.
Over-range: An input signal of
≥ 21 mA is connected to the
terminals.
Operating parameters have been
changed. The unit requests a save
command.
The unit is saving changes to the
operating parameters into the
EEPROM.
Cure
Check the input signal.
Check the input signal.
Release save/do not save
using push buttons "+" / "-"
and acknowledge with the
"E" push button.
The unit displays a measured
value once the save has
been completed.