User Manual
Max Machinery, Inc. 240 Series User Manual © Copyright 2013 Rev. 002Q4 16
Troubleshooting
Trouble Corrective Action
No Flow through meter or high pressure drop across meter
Solidied material blocking rotation
Debris blocking rotation
Meter broken
Heat meter to melt material.
Remove meter from line. Flush with an organic solvent or
petrochemical. Try to work debris out of the meter.
If you nd damaged parts in the meter, return the
meter to the factory for repair.
Fluid is passing through the meter, but there is no indication of ow
Improper hook-up of transmitter Verify that DC power is present at the PCA. Use a
multi-meter to measure the transmitter output
independent of the display or PLC.
Inspect cabling.
Indicated ow does not agree with expected readings
Air in the line
Indicator not calibrated properly
Excessive reverse ow in system
Air bubbles displace the meter just as a liquid would.
If you are over-reporting, verify that there is no air in
the lines.
Verify the K-Factor for the meter in use and compare
this value to the setting used in the display.
Max transmitters have anti-dither functions which can
buffer up to 1 revolution of reverse ow. An incorrect
ow total can be reported if the pumping causes a
ow and ebb of greater than 1 meter revolution.