® Urheberrecht ATH-Heinl GmbH & CO.KG, Alle Rechte vorbehalten / Druckfehler und technische Änderungen vorbehalten / Stand: 2022-04
Produkthersteller ATH-Heinl GmbH & CO.KG
- 31 -
4.5
Troubleshooting / Error Display and Solutions
Symptoms
root cause
Solution
Problems lifting
The lift does not raise when the
button is pressed (motor
not running)
Damage to the engine
Check motor, replace if
necessary
Blown fuses, e.g. due to
voltage fluctuations
Eliminate causes and replace
fuses
Defective button and / or
contact
Replace button and / or contact
Defective main switch and / or
contact
Replace main switch and / or
contact
Defective or insufficient supply
line
Replace cable
Fluctuating or incorrect input
voltage
Check tension
Defective motor contactor
Replace motor contactor
Thermal relay has triggered
Check thermal relay and motor
Limit switch defective or
blocked
Check limit switch, replace if
necessary
Lift does not raise when button
is pressed (motor is running)
Lack of hydraulic oil
refill oil
Oil filter clogged
Clean the oil filter
Oil loss
Replacement of the damaged
components
Opened lowering valve
Check and replace the lowering
valve if necessary
Wrong direction of rotation of
the motor
Swap phases
Defective gear pump
Check the pump and replace it if
necessary
Permissible load has been
exceeded
Work within the specified load
Pressure relief valve set too
low
Set the pressure relief valve to
maximum load
Lift jerks up
too little space between slide
rails
The distance between the slide
rails and the guide must be 1.5
- 2.5 mm
Air in the hydraulic system
Bleed the hydraulic system
Contaminated hydraulic oil
Change the hydraulic oil
Slideways are not lubricated
Lubricate the slideways
The lift continues to raise after
releasing the button
Defective button
Replace the defective button
