User guide

Page 13
Problem
Probable Cause Try...
No pulse output
Output pulses incor-
rect
Jumpy reading
Connect to earth ground
Check the Presence of Flow LED (see p. 12)
Note ow direction arrow,
reverse direction to meter
Change output connections
Check plumbing
Check for proper electrical wiring
Check for power across power input terminals
Reverse connections
Select another ow meter
Check for proper ground
Check depth setting from
Dimension “C” table (page 4)
Select another ow meter
Check for full pipe or install meter in the verti-
cal
position
Check for air pockets or turbulence. Refer to
installation, page 6
Check for proper electrical wiring
Install chemical injection line downstream of
magmeter (or far enough upstream to allow
complete mixing of uids before meter)
Unit not grounded
Below minimum ow cutoff
Flow reversed
Output connections reversed
Pipe not full
Excessive electrical noise
No power
Power reversed
Fluid conductivity <20 microSiemens/cm
Missing or incorrect ground wire
Incorrect depth setting
Fluid conductivity <20 microSiemens/cm
Empty pipe
Not enough straight pipe
Excessive electrical noise
Rapidly changing conductivity (in chemi-
cal
injection or fertigation applications)
TROUBLESHOOTING