ATH-Heinl Pure Lift 2.40 Bedienungsanleitung Seite 78

4.5 Troubleshooting / Error Display and Solutions
Symptoms
Problems lifting
The lift does not raise when the
button is pressed (motor
not running)
Lift does not raise when button
is pressed (motor is running)
Lift jerks up
The lift continues to raise after
releasing the button
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root cause
Damage to the engine
Blown fuses, e.g. due to
voltage fluctuations
Defective button and / or
contact
Defective main switch and / or
contact
Defective or insufficient supply
line
Fluctuating or incorrect input
voltage
Defective motor contactor
Thermal relay has triggered
Limit switch defective or
blocked
Lack of hydraulic oil
Oil filter clogged
Oil loss
Opened lowering valve
Wrong direction of rotation of
the motor
Defective gear pump
Permissible load has been
exceeded
Pressure relief valve set too
low
too little space between slide
rails
Air in the hydraulic system
Contaminated hydraulic oil
Slideways are not lubricated
Defective button
Produkthersteller ATH-Heinl GmbH & CO.KG
- 29 -
Solution
Check motor, replace if
necessary
Eliminate causes and replace
fuses
Replace button and / or contact
Replace main switch and / or
contact
Replace cable
Check tension
Replace motor contactor
Check thermal relay and motor
Check limit switch, replace if
necessary
refill oil
Clean the oil filter
Replacement of the damaged
components
Check and replace the lowering
valve if necessary
Swap phases
Check the pump and replace it if
necessary
Work within the specified load
Set the pressure relief valve to
maximum load
The distance between the slide
rails and the guide must be 1.5
- 2.5 mm
Bleed the hydraulic system
Change the hydraulic oil
Lubricate the slideways
Replace the defective button