Manual

Problem
Probable Cause Try...
Blank Display
Flow rate steadily reads
zero when there is ow
Flow rate intermittently
drops when there is ow
Jumpy reading
Meter reads, but no
pulse output
Output pulses missing
Replace battery pack, check power
connections
Reading will resume when ow increases
Reposition meter for full pipe (see page 4)
Note ow direction arrow, reverse meter
Change power connections
Select another ow meter
Reposition meter for full pipe (see page 5)
Check for proper ground
Use external power source
(allows more ow averaging)
Install chemical injection line downstream
of meter (or far enough upstream to allow
complete mixing of uids before meter)
Add pull-up resistor
Change output connections
Check display
No power plus dead backup battery
Flow is below cutoff (very low)
Pipe is not full
Meter is installed backwards
(display reads [ - ] )
Power connections reversed
Fluid conductivity <20microSiemens/cm
Pipe is not full
Missing or incorrect ground wire
Pulsing ow
Rapidly changing conductivity
(in chemical injection applications)
External device needs pull-up resistor
Reversed leads (polarity sensitive)
Meter not reading
TROUBLESHOOTING
Page 8