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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.
All information is subject to change without prior notice. Photographs are for illustration purposes only and may vary from product description.
Invacare
®
is a registered trademark and Yes, you can.™ is a trademark of Invacare
®
Corporation. 2008 Invacare Asia Pacific
Elf 127em User's Manual
Elf 127em User's Manual
All information is subject to change without prior notice. Photographs are for illustration purposes only and may vary from product description.
Invacare
®
is a registered trademark and Yes, you can.™ is a trademark of Invacare
®
Corporation. 2008 Invacare Asia Pacific
