7. Faults
Fault tree
Indication
EN
No display
Horizontal bar with
display "over."
A horizontal bar
alternates with the
display "undr."
24
Measured value
I = 0 mA
I = > 20 mA
I = 4 mA
4 mA < I < 20 mA
but wrong value
WIKA operating instructions model DIH10-Ex
Current loop disconnected
Transmitter not connected
Power supply incorrectly con-
nected (reverse polarity)
Process temperature out of
measuring range
Sensor break or short circuit
Sensor connected incorrectly
Wrong transmitter configuration