Troubleshooting; Probable Causes; Things To Try - Seametrics EX11 Series Instructions Manual

TROUBLESHOOTING

Problem
No pulse output
Output pulses incorrect
Jumpy readings
Seametrics • 253.872.0284
Probable Cause
Unit not grounded
Below minimum flow cutoff
Flow reversed
Output connections reversed
Pipe not full
Excessive electrical noise
No power
Power reversed
Fluid conductivity <20 µS/cm
Missing or incorrect ground wire
Incorrect depth setting
Fluid conductivity <20 µS/cm
Empty pipe
Not enough straight pipe
Excessive electrical noise
Rapidly changing conductivity (in
chemical injection or fertigation
applications).
Page 17
EX100/200 SERIES INSTRUCTIONS
Try...
Connect to earth ground.
Check the Presence of Flow LED (see
page 15).
Note flow 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 flow meter.
Check for proper ground.
Check depth setting (see page 7).
Select another flow meter.
Check for full pipe or install meter in
vertical position.
Check for air pockets or turbulence.
Refer to Installation section earlier in
this manual.
Check for proper electrical wiring.
Install chemical injection line
downstream of magmeter (or far
enough upstream to allow complete
mixing of fluids before meter)
seametrics.com