5
Troubleshooting
HG-3 FLUSHING SYSTEM
TROUBLESHOOTING THE CONTROLLER
TROUBLESHOOTING THE UNIT
The Hydro-Guard® Unit will not
shut off:
Possible Causes
• The solenoid Is stuck in the open
position or debris is interfering with
operation of plunger.
• Batteries weak or dead.
• Connection loss from battery box
to solenoid.
• The solenoid is loose or there is
debris In the plunger.
• There Is a hole in or debris
around the diaphragm or in the
valve screen.
If your Hydro-Guard® Unit does not
activate:
Possible Causes
• Water pressure off or low.
• Batteries weak or dead.
• Connection loss from controller to
solenoid.
• Solenoid not working properly.
• Obstruction In flow of water.
Trv this Correction
• Check If curb stop Is open.
• Change batteries.
• Check connections for corrosion,
breaks, or lack of connection.
• Run a manual flush and confirm
the solenoid plunger is kicking out
and pulling back in by listening for
a click.
• Check to make sure the flow
control knob is open on the
valve OR Check the pipes for
obstructions OR Check the valve.
Trv this Correction
• Run a manual flush for 1 minute.
• Change batteries.
• Check connections for corrosion,
breaks, or lack of connection.
• Check the adapters and solenoid
for debris- Run the electrical
systems check.
• Refer to valve troubleshooting for
possible corrective measures.
