Maintenance and cleaning / 8. faults, Faults – WIKA DIH10-Ex User Manual
Page 21
GB
WIKA operating instructions model DIH10
21
14089810.01 03/2014 GB/D/F/E
For information on returning the instrument see chapter 9.2
“Return”.
8. Faults
Fault-tree
No display
Current loop disconnected
Power supply incorrectly
connected (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
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, please follow the instructions given in
chapter 9.2 “Return”.
7. Maintenance and cleaning / 8. Faults