Troubleshooting / Error Display And Solutions - ATH-Heinl Comfort Lift 2.35 Manual De Usuario

4.7

Troubleshooting / Error Display and Solutions

Symptoms
Lifting Problems
Lifting platform does not lift
when button is pressed (motor
does not run)
Lifting platform does not lift
when button is pressed (motor
runs)
Lifting platform lifts jerkily
Lifting platform continues to lift
after releasing the button
® Copyright ATH-Heinl GmbH & Co. KG, All rights reserved / Misprints and technical changes reserved / As of: 2021-04
Cause
Damage to the motor
Blown fuses from e.g. 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 tripped
Limit switch defective or
blocked
Hydraulic oil shortage
Oil filter blocked
Oil leakage
Opened lowering valve
Motor rotates in wrong
direction
Broken gear pump
Permissible load has been
exceeded
Pressure relief valve set too
low
Not enough space between
rails
Air in hydraulic system
Contaminated hydraulic oil
Slideways are not lubricated
Defective button
Manufacturer ATH-Heinl GmbH & CO.KG
- 42 -
Solution
Check motor and replace if
necessary
Remedy the causes and replace
the fuses
Replace button and/or contact
Replace main switch and/or
contact
Replace cable
Check power
Replace motor contactor
Check thermal relay and motor
Check limit switch and replace if
necessary
Refill oil
Clean the oil filter
Replacement of damaged
components
Check and replace the lowering
valve if required
Replace phases
Check the pump and replace if
necessary
Work within the specified load
Set pressure relief valve to
maximum load
Distance between rails and
guide must be 1.5 - 2.5 mm
Bleed the hydraulic system
Change the hydraulic oil
Lubricate the slideways
Replace the defective button