Trouble Shooting
Before trouble shooting ensure that:
• the actuator is not in operation
• the actuator is free from load, and
• that maintenance procedures have been checked and followed.
Mechanical
Symptom Possible Causes Action
Actuator makes creaking noise during lift No free movement at actuator
mounting bolts
Loosen mounting bolts slightly
Lifter tracks incorrectly Castor brakes faulty Check both castor brakes are
releasing properly
Electrical
Symptom Possible Causes Action
Buzzer sounds from within
control box
Flat battery Recharge battery
Defective battery Replace battery
Battery charger power indicator does not light up Not connected to the mains Connect to mains
The fuse has blown Replace fuse or send the system for
repair
Battery charger is defective Send battery charger for repair
Actuator does not run but relays in control
box are heard clicking
Actuator plug not pushed into
control box properly
Push plug into control box properly
Actuator defective Replace actuator
Control box defective Replace control box
Actuator does not run and no relay noise is
heard from control box
Control box defective Replace control box
Handset defective Replace handset
Actuator cannot lift full load Motor is damaged Send actuator for repair
Control box completely dead on battery; no
relay clicking is heard
Emergency stop button pressed Release button
Battery completely flat Charge battery
Battery defective Replace battery
Actuator works in one direction only Handset defective Send handset for repair
Control box defective Send control box for repair
Actuator works with some but not all handset
buttons
Handset defective Send handset for repair
No motor sound or movement of piston rod
to the control box
The actuator is not connected to
the control box
Connect actuator to control box
Blown fuse in the control box Change fuse
Cable damaged Send actuator for repair
Motor runs but piston rod does not move Gear wheel or spindle damaged Send actuator for repair
Piston rod will only move inwards and not
outwards
Safety nut has operated Send actuator for repair
!
Trouble shooting should be performed by someone that is familiar with both the use and mechanism of
the lifter and general electrics. If in doubt, contact your supplier to arrange a service call.