Seametrics WMX-Series - Manual (Page 8)

LT-13322-B
3/14/07
SeaMetrics Incorporated • 19026 72nd Avenue South • Kent, Washington 98032 • USA
(P) 253.872.0284 • (F) 253.872.0285 • 1.800.975.8153 • www.seametrics.com
Problem Probable Cause Try...
Blank Display
Flow rate steadily reads
zero when there is flow
Flow rate intermittently
drops when there is flow
Jumpy reading
Meter reads, but no
pulse output (WMX101)
Output pulses missing
Replace battery pack
Replace battery pack, check power
connections
Reading will resume when flow increases
Reposition meter for full pipe (see page 4)
Note flow direction arrow, reverse meter
Change power connections
Select another flow meter
Reposition meter for full pipe (see page 4)
Check for proper ground
Add pull-up resistor
Change output connections
Check display
Dead battery (WMX104)
No power plus dead battery (WMX101)
Flow is below cutoff (very low)
Pipe not full
Meter is installed backwards
(display reads [ - ] )
Power connections reversed (WMX101)
Fluid conductivity <20mSiemens/cm
Pipe not full
Missing or incorrect ground wire
External device needs pull-up resistor
Reversed leads (polarity sensitive)
Meter not reading
TROUBLESHOOTING
AR
CH
IVE
D
(January 2008)