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Chapter 5 Diagnostic and Troubleshooting
Flow Pulse Diagnostic
Please refer to the Flow Pulse Instruction Manual regarding information
on using and interpreting the diagnostic trace.
Troubleshooting the Handheld Controller
Sensor not connected
Ensure that the Flow Pulse sensor is powered,
either independently or by the controller.
Check that the RS-485 +ve and –ve wires are
correctly connected.
If the sensor is being connected to a handheld
controller for the first time, the RS-485 needs to
be set to PC-485 mode.
This can be done via the handheld controller,
check that all wires are connected, press F4,
select Tools, select Modbus to PC-485, enter
126 (default Modbus ID on Flow Pulse
sensor) then press Enter.
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