Product Manual

Rev. O 11
Bent stem on solenoid valve
Inspect stem on solenoid valve
(DO NOT REMOVE VALVE
FOR INSPECTION IF
SYSTEM IS UNDER
PRESSURE)
Replace valve if stem is
bent
Debris in screen of load
holding valve
Remove load holding valve.
Inspect screen & valve for
debris. (DO NOT REMOVE
VALVE FOR INSPECTION IF
SYSTEM IS UNDER
PRESSURE)
Load holding valve is below
fluid level. Removing this
valve will partially drain
reservoir.
Debris in flow control valve
Remove flow control valve &
inspect valve for debris.
Top of valve is threaded,
use 1/4-20 bolt to remove
flow control valve.
Cylinder issue
Fluid coming out vent on rod
end of cylinder
Replace cylinder
Check cylinder alignment
Contact equipment
manufacturer if this is an
issue
Packing in cylinder may have
failed
Contact equipment
manufacturer for
replacement cylinder
Symptoms
Possible Cause
Correction
Special Notes
(**Double Acting)
Motor Runs Load Not
Moving or Cylinder not
Retracting
Dead or Low Battery
Load test battery
Charge or replace battery
Poor Ground
Ground battery directly to DC
motor
Use jumper cables to jump
ground only
Coil on solenoid valve not
activating
Insure power is getting to coil,
check all electrical connections
and check for magnetism
Replace coil if you are
getting power to the coil but
it is not energizing.
Check ground wire or valve
stem. For loose connections or
corrosion. (If coil is single wire
lead, check the contacting point
where solenoid rests on valve
stem for corrosion)
Loose wire in quick connector
or control box