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TROUBLESHOOTING
Problem
Probable Causes Try...
Analog output at 0 mA
Analog output is 4 mA
with ow
No pulse output
Flow rate incorrect
4-20 mA loop needs an external power
supply - if missing, add it
Connect to earth ground
Note ow direction arrow, reverse direction
to match
Change output connection
Connect to earth ground
Change ow direction
Check for proper grounding
Select another ow meter
Install meter in vertical position
No loop power
Unit not grounded
Flow reversed
Reversed output connections
Not grounded
Reversed ow
Missing or incorrect ground wire
Fluid conductivity <20 microSiemens/cm
Empty pipe