Omega FTB700 User Manual page 10

TROUBLESHOOTING
Problem
No analog signal at reading
device
Output stick at 4 mA
mA signal does not match flow
rate
Probable Causes
Break in current loop
Dead power supply
Reversed polarity
No frequency input from flow
sensor
Inadequate voltage
Wrong frequency setting
Page 10
FTB700-T INSTRUCTIONS
Things to try...
Check if loop indicator light is on
Check multimeter voltage on power supply
Check polarity
Check flow sensor connections
Check flow sensor polarity
Be sure terminal blocks are firmly plugged in
With flow sensor disconnected, use short wire
to repeatedly short between sensor "S" and "-"
terminals. Output should rise.
Check load vs. supply chart
Review setting procedure
Check multimeter voltage on power supply
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