Problem Cause Solution
Flow-Sync not reading Water shut o Verify that no isolation valves are closed, and
that the water source is on.
Controller not congured Check controller ow sensor setup. Enter
sensor size (and location, for sensor decoders)
and other sensor information as required.
Faulty Wiring- Use voltmeter to
verify red and black wires are
connected, and have not been
Fix any wire splices. Correct polarity
(red and black).
Damaged sensor- Impeller damage
(debris in water) or Flow-Sync
electronics damage (lightning)