Dynisco SPXD, Руководство по эксплуатации

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Digital field display 10 Fault-finding
19
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 comple-
ted the unit returns to displaying the mea-
sured values.
Effect Cause Cure
No measu-
red 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 seg-
ment dis-
play shows
an incor-
rect/inac-
curate mea-
sured 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.
ba111ren.fm Page 19 Friday, February 22, 2008 11:15 AM