WIKA A-IAI-1 Betriebsanleitung Seite 22

8. Faults
Error
Err.2
Measured value
below allowable
range
EN
Err.3
Indication range
exceeded
Err.4
Under the indica-
tion range
Err.7
System error
Er.11
Value could not be
calculated
22
Causes
Input signal too low, or
■
negative
Current less than 4 mA
■
Sensor burnout
■
Scaling incorrect
■
Scaling incorrect
■
Permissible operating
■
temperature too high or
too low.
Instrument faulty
■
Scaling incorrect
■
CAUTION!
If faults cannot be eliminated by means of the measures listed
above, the attachable indicator must be shut down immedi-
ately, and it must be ensured that signal is no longer present,
and it must be prevented from being inadvertently put back into
service.
In this case, contact the manufacturer.
If a return is needed, follow the instructions given in chapter
9.2 "Returns".
WIKA operating instructions attachable indicator model A-IAI-1
Measures
The error message will reset
■
itself as soon as the input
signal is once more within
the permissible limits.
Check the transmitter and
■
the instrument configuration
(e.g. input signal).
The error message will be
■
reset once the display value
is once more < 9999.
The error message will reset
■
itself once the display value
is once more within the
permissible limits.
Abide by the operating
■
temperature limits
Replace instrument
■
Check the setting and the
■
input signal