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7. Maintenance and cleaning / 8. Faults
For information on returning the instrument see chapter 9.2
"Return".
8. Faults
Fault-tree
Display
No display
Horizontal bar with
display "over."
A horizontal bar
alternates with the
display "undr."
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".
WIKA operating instructions model DIH10
Measured value
I = 0 mA
I = > 20 mA
I = 4 mA
4 mA < I < 20 mA
wrong value
Current loop disconnected
Transmitter not connected
Power supply incorrectly
connected (reverse polarity)
Process temperature out of
range
Sensor break or short circuit
Sensor connected incorrectly
Wrong transmitter configuration
GB
21
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