Hydra-Flex Aqua-Lab SD Operating Manual - Manual (Page 10)

Operating Manual
© Hydra-Flex Inc 2011 - 7 -
PROBLEM POTENTIAL CAUSES SOLUTIONS
Pump not primed Follow priming instructions
Debris in regulator Remove regulator and clean out debris
Motor rotation incorrect Verify rotation and adjust wiring to correct
Opening to many valves at once System is limited to opening up to 8 valves at once or pressure
will be greatly affected by so much demand
Defective Check Valve Replace check valve if broken
Defective Regulator Replace Regulator
Defective Pump Replace Pump
Incorrect Injector Flow Rate
Selection Replace with desired injector size
System pressure too low Ensure system pressure is set at 200 psi
Foam Generator Plugged Ensure cleaned and clear
Downstream pluming restrictive Perform Back pressure test outlined in Section IV of this
manual, if over 66 psi, increase tube size and reduce elbows,
turns or other restrictive plumbing
Solenoid valve malfunction Ensure valve is receiving the correct electrical signal and
voltage
Valve may be assembled incorrectly
Disassemble valve and clean out debris (See valve
replacement instructions)
Clogged Injector Remove injector and blow out debris with compressed air
No water supply Check that the system has a supply of water
Valve stuck open –
Staying open when
signal is off
Debris in valve seat Remove and clean valve (See valve replacement instructions)
Starter Tripping
Incorrect Overload Setting Verify overload setting versus settings found in specs page of
this document
Flow at arch is too
low
System won't
regulate up to 200
psi
No flow from injector