Hunter Industries FLOW-SYNC HFS Owners Manual Page: 22

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 congured 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)
Replace sensor.