5
Troubleshooting
100 SERIES COLD CLIMATE 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.
Try 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.
Try 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.
PROBLEM
CA
CAUSE
USE C
SOLUTION
Controller does not flush as desired
Water at main water supply is shut off
Check main supply valve
Battery dead
Replace battery
Controller set to OFF
Set controller to desired program
Controller improperly programmed
Check program and clock settings
Blank display
Battery dead
Replace battery
Water does not turn off
Overlapping programming
Review all programming and edit any
program that is in conflict with desired
off schedule
Clear all programming in memory
and reset
Programmer not communicating
Check Programming
Run Manual On/Off with solenoid
removed from valve (hold finger or object
over solenoid plunger to prevent plunger
from dislodging from solenoid body)
Check wiring for damage and connectors
to ensure proper connection
(red to red & black to black)
