HayssenSandiacre Ultima SV 12-19HR Instruction Manual page 332

Machine Overview
PROBLEM
No air from regulator
Solenoid valve coil
buzzes
Solenoid valve does not
move when solenoid is
energized
Solenoid valve does not
move when solenoid is
de-energized
Solenoid valve operator
vent leaks air when it is
energized
Continuous air leak from
valve exhaust port of sole-
noid valve
Air cylinder leaks at ports
Air cylinder jerks or hesi-
tates while piston rod is
moving
Air cylinder pounds or
hammers at end of stroke
1 5 - 1 0 / R e v 1 5
PROBABLE CAUSE
Filter is dirty
Defective diaphragm
Defective adjusting screw
Defective seals
Wrong line voltage or frequency
Solenoid coil is not energized
Solenoid coil is burned out
Solenoid plunger is stuck in it's
guide
Worn or damaged parts in valve
Contaminated valve seating
parts
Fuse or SSR open
Foreign matter contamination
Defective parts
Foreign matter contamination
Defective parts
Defective cylinder piston cups
Piston cups are worn
Rod seals are worn
Mis-alignment between piston
rod and work piece connection
Worn parts
Foreign matter contamination
Air pressure too high or too low
or incorrect size air lines
Piston rod cushion is worn out
H A Y S S E
CORRECTIVE ACTION
Clean or replace filter.
Replace.
Replace.
Replace.
Check voltage and Hertz at the coil lead ter-
minals.
Review nameplate data.
Check for current flow at coil lead terminals.
Use a test lamp and test for coil continuity.
Check for magnetism of activated coil.
Repair or replace parts as needed.
Repair or replace.
Repair or replace.
Check air filter.
Repair or replace parts as needed.
Replace fuse or SSR.
Clean filter and valve.
Replace parts as needed.
Clean filter and valve.
Replace parts as needed.
Check cylinder.
Replace cups and packings.
Use repair kit to rebuild cylinder.
Use repair kit to rebuild cylinder.
Disconnect piston rod and check alignment
throughout length of stroke.
Check cylinder for wear.
Repair or replace internal parts.
Check filter and clean as needed.
Run a systems and flow check.
Replace internal parts.
NSA N D I AC R E ®
U l t i m a S V