7
7.
TROUBLESHOOTING
PROBLEM POSSIBLE
CAUSE CORRECTION
Fluid pressure too low
Increase fluid pressure
Operating pressure too low
Increase air pressure to 70 psi (4.8 bars)
Dispense tip clogged or damaged
Replace tip
No fluid flow
Fluid cured in valve chamber
Clean valve thoroughly
Fluid pressure fluctuating
Make sure fluid pressure is constant
Valve operating pressure is too
low
Increased valve pressure to 70 psi (4.8
bars)
Valve open time is not consistent
Check to make sure the valve controller
is providing a consistent output
Inconsistent
fluid flow
Air trapped in fluid housing
Purge valve
Fluid drools after the valve
closes, eventually stopping
Air trapped in fluid housing
Purge valve
Lower seal damaged or worn
Replace lower seal
Spool damaged
Replace spool
Inlet air fitting is too long,
pushing the spool opened
Replace air fitting
Steady drip
Valve re-assembled incorrectly
Re-assemble valve follow instructions
