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If the display unit does not function
•
Check that the cable between the transmitter and the display unit is correctly con-
nected at both ends.
•
Check that the cable is not defective.
•
Check that the cable is not too long or too thin (max. 100 m, min. 0,75 mm²).
If external equipment, e.g. an electronic counter, does not function, or does not func-
tion properly
•
Check that the equipment is correctly connected.
•
Check that the transmitter data is being displayed correctly (e.g. using the PD 210).
•
Check that the required functions for the output signals have been correctly set, and
that the meter size is correct (e.g. using the PD 210).
If the transmitter does not indicate flow
•
Check that there really is flow through the metering pipe.
•
Check that the flow direction is correct.
If the transmitter gives a false read-out
•
Check if there is any air in the liquid.
•
Check that the conductivity of the liquid lies within the specified range.
9.2.2
Flow Transmitter without display unit
If the transmitter does not function
•
Check that the light-emitting diode in the terminal box is on.
•
Check that the transmitter is correctly connected.
•
Check that the supply voltage at the transmitter is at least 20 V AC or DC, when the
transmitter is powered up (with the terminal box mounted on the transmitter).
•
Check that there really is flow through the metering pipe.
•
Check that the flow direction is correct.
If the transmitter gives a false read-out
•
Check if there is any air in the liquid.
•
Check that the conductivity of the liquid lies within the specified range.
Manual
Flow Transmitter, PD 340
502 010 05
47/55
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