WIKA DIH10-Ex - Handbuch (Seite 26)

GB
26 WIKA operating instructions model DIH10-Ex
3330872.01 02/2014 GB/D
9. Faults
Fault-tree
No display Current loop disconnected
Power supply incorrectly con-
nected (reverse polarity)
Transmitter not connected
Process temperature out of
range
Sensor connected incorrectly
Sensor break or short circuit
Wrong transmitter configuration
Display Measured value
I = 0 mA
Horizontal bar
with display
“over”.
I = > 20 mA
A horizontal
bar alternates
with the display
“undr”
I = 4 mA
4 mA < I < 20 mA
but wrong value
CAUTION!
If faults cannot be eliminated by means of the measures
listed above, shut down the instrument immediately, and
ensure that pressure and/or signal are no longer present,
and secure the instrument from being put back into
operation inadvertently.
In this case, contact the manufacturer.
If a return is needed, follow the instructions given in chapter
10.2 “Return”.
9. Faults