Endress+Hauser RIA 261, Руководство по эксплуатации, Страница: 43 / 98

Digital field display 10 Fault-finding
43
10.3 System messages
10.4 Fault analysis
Effect Cause Cure
Display
indicates:
„
##### ##### ##### #####
”
Under range. An input signal of
< 3.6 mA is connected to unit
input. Please check the input signal.
Display
indicates:
„
*****
***** *****
*****
”
Over range. An input signal of
> 21.0 mA is connected to unit
input. Please check the input signal.
Display
indicates:
„
(+
(+ (+
(+
”
Operating parameters have
been changed. The unit
requests a save command. Release save/do not save using the
"+/-" push buttons and acknowledge
with "E".
Display
flashes:
„
(+ (+ (+ (+
”
The unit is saving changes
made to the operating
parameters. Once the save sequence has been
completed the unit returns to
displaying the measured values.
Effect Cause Cure
No
measured
value
display There is no circuit connected. Please check the wiring to the unit.
Unit defective. Please exchange the unit.
Display defective. Please exchange the unit.
The 7
segment
display
shows an
incorrect/
inaccurate
measured
value Measured input incorrectly set
up. Change set up in operating menu.
Sensor calibration faulty. Compensate error using the offset.
Offset incorrectly set up. Check offset.