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Seametrics EX100-200-Series User Manual

Page 15

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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 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 from

Dimension “C” table (page 4)

Select another flow 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 fluids before meter)

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 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