6. Malfunctions
16
6. Malfunctions
Check the lift for the following causes of malfunc-
tion.
Contact the manufacturer’s customer service if
the malfunction cannot be remedied according to
the malfunctions list.
Lift cannot be switched on
Cause: No power supply.
Remedy: Switch on power supply.
Cause: Main switch not switched on.
Remedy: Switch on main switch.
Cause: Emergency Off button pressed.
Remedy: Unlock Emergency Off button.
Lift switched on. No response to Up/Down.
Cause: Synchronous operation not activated.
Remedy: Activate synchronous operation.
Cause: Error message on control unit.
Remedy: Localize and remedy malfunction accord-
ing to list in chapter 7, then acknowledge error mes-
sage. Contact customer service, if necessary.
Cause: Control button is defective.
Remedy: Replace control button.
Cause: Cable damaged.
Remedy: Check cable and contact customer ser-
vice, if necessary.
Lift switched on. No response to For-
ward/Back.
Cause: Lifting cylinder under load.
Remedy: Lower load completely.
Cause: Lifting cylinder extended more than 300mm.
Remedy: Lower all lifting cylinders under 300mm.
Cause: Error message in controls.
Remedy: Localize and remedy malfunction accord-
ing to list in chapter 7, then acknowledge error mes-
sage. Contact customer service, if necessary.
Cause: Control button is defective.
Remedy: Replace control button.
Cause: Cable damaged.
Remedy: Check cable and contact customer ser-
vice, if necessary.
Motor is running. Vehicle cannot be lifted.
Cause: Vehicle too heavy.
Remedy: Offload vehicle. Refer to permissible load
distribution in chapter 3.1.
Cause: Leakage in hydraulic system.
Remedy: Contact customer service.
Cause: Hydraulic oil level too low.
Remedy: Refill hydraulic oil.
Vehicle cannot be lowered.
Cause: Synchronous operation not activated.
Remedy: Activate synchronous operation.
Cause: Error message in controls.
Remedy: Localize and remedy malfunction accord-
ing to list in chapter 7, then acknowledge error mes-
sage. Contact customer service, if necessary.
Cause: No power supply.
Remedy: Switch on power supply.
Cause: Main switch not switched on.
Remedy: Switch on main switch.
Cause: Emergency Off button pressed.
Remedy: Unlock Emergency Off button.
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