® Copyright ATH-Heinl GmbH & Co. KG, 2012, All rights reserved. / Misprints and technical changes reserved / Issue: 08/2014
27
MAINTENANCE
Reparation works are only allowed tob e done by authorized ATH-Service partners or after consulting ATH, by the
customer.
Before maintenance and reparation works the lift must be disconnected from the electrical supply (main switch
off, disconnect plug). Suitable precautions must be made against a re-start.
Works on the electrical parts of the lift respectively on the supply lines are only allowed to be done by experts/electricians.
Troubleshooting
Error
Reason
Remedy
Problems while lifting
Lift does not lift when pressing button
(motor does not work)
Damages on motor
Check motor, if necessary replace
Blown fuses
Remedy of reason and replacing fuses
Defective button and/or contact
Replacing button and/or contact
Defective main switch and/or contact
Replacing main switch and/or contact
Defektive or unsufficient supply line
Replacing cable
Defektive motor contactor
Check motor contactor, if necessary
replacing
Thermo relay activated
Check thermo relay and motor
Defektive limit switch above
Replacing limit switch
Limit switch above activated
Check reason of activation
Defective time or control relay
Check relay
Lift does not lift when pressing button
(motor works)
Hydraulic oil deficiency
Refilling oil
Oil filter blocked
Cleaning oil filter
Oil loss
Changing defect parts
Lowering valve open
Checking and if necessary replacing
oft he lowering valve
Wrong rotation direction of motor
Changing phases
Defective gear pump
Checking pump and replacing if
necessary
Admitted capacity was exceeded
Working within the indicated capacity
Blow-off valve too low adjusted
Adjust blow-off valve to the max.
capacity
Lift raises jerkily
Too less place between slides and
guiding
Distance between slides and posts
must be 1,5
–
2,5 mm
Air in hydraulic system
Bleeding of hydraulic system
Dirty hydraulic oil
Exchange hydraulic oil
Slides of scissors are not lubricated
Lubricate the slides
Lift raises after releasing the button
further
Defekive button
Changing the defective button
Defektive contactor
Changing the defective button
