Poweramp POWERSTOP SERIES - Manual (Page 18)

16
4111-0014 — July 2013
Symptom Possible Cause Solution
Restraint will not raise or
lower. Debris Remove Bellows check for Debris jammed in scissor
mechanism.
Restraint will not raise
or lower Mechanical or
Hydraulic Lubrication - Lubricate latch release leveler.
- Lubricate pivot points scissors mechanism.
Damaged parts - Damaged or missing store spring.
- Damaged of missing scissors springs.
- Worn out or damaged flanged bearings in
Scissors assemble.
- Front slot on hook weldment bent up or down.
Restraint will not raise
(Hydraulic only) Lights on but Motor does
not run - Motor overload device tripped or fuse blown.
Note:
When replacing fuse(s) or breakers , the new fuse or
breaker must have the same specification as the old.
Wire Connections Check all wire connection for damage corrosion.
Prox switch Prox switch failed or wired incorrectly.
Motor energizes but does
not run. Defective motor Replace motor.
Capacitor -Capacitor shorted.
-Capacitor wired incorrectly or bad connections.
Voltage Low line voltage check wire size to house power.
Motor energizes and runs
but restraint will not raise
or lower. Low Hydraulic fluid Check for leaking cylinders or hoses.
Filter The suction filter my be clogged.
Coil Coil must be energized for restraint to raise only.
Coil energized to lower.
valve Valve may be damaged.
Motor energizes and
runs but restraint will not
lower Coil. Coil should not be energized possible bad relay.
Valve Valve may be damaged.
Interlock prox Leveler may have interlock, see leveler specific
manual.
Discharge capacitor before attempting a capacitor
test. Line side of fuse is always hot. Turn off main power
supply before removing fuses. Attach proper lock-
out / tag-out devices.
Troubleshooting