Maha Energy D1 3602BA1-GB03 manual Trucklift Maintenance, Troubleshooting

Page 22

Trucklift

Maintenance, Troubleshooting

Problem

Possible cause

 

 

Remedy

 

 

 

 

 

The lift stops at a height of

a) The distance between the

a) Check the wear of the bearing

approx. 260 mm

catch nuts and the jackscrew

 

nuts.

(measured from the floor to

bearing nuts is too small.

b) Check the distance between

the lower edge of the

b) A proximity switch is defective

 

the proximity switches and the

carriage).

 

or its setting is incorrect.

 

switching cams on the frame

The lift can only be

 

 

 

and on the catch nuts .5 mm).

lowered from this position.

 

 

 

 

Further raising is not

 

 

 

 

possible.

 

 

 

 

The LED on the circuit

 

 

 

 

board blinks.(see ill. on

 

 

 

 

next page)

 

 

 

 

 

 

 

 

 

The lift stops at a height of

No signal pulse from the

Check the proximity switches.

approx. 400 mm

switching cam on the frame or

(Call MAHA-Service Dept.).

(measured from the floor to

the catch nut.

Check the distance between the

the lower edge of the

 

 

proximity switches and the

carriage).

 

 

switching cams on the frame

 

 

The lift can only be

 

and on the catch nuts.

lowered from this position.

 

 

 

 

Further raising is not

 

 

 

 

possible.

 

 

 

 

The LED on the circuit

 

 

 

 

board blinks.(see ill. on

 

 

 

 

next page)

 

 

 

 

 

 

 

The lift can only be moved

A bearing nut is broken and the

Have the bearing nut repaired.

to its lower starting

load is being borne by the catch

 

 

 

position.

nut.

 

 

Shut down the lift and

 

 

 

 

 

 

 

 

Lifting is no longer

 

lock the main switch!

possible.

 

 

 

 

 

 

 

At the beginning of lifting

All motors are starting up

Change the setting of DIP switch

the lift stops and the power

simultaneously. This causes a

4 on the control PCB to

supply circuit breaker trips.

voltage peak that trips the circuit

"OFF".(see ill. on next page).

Neither lifting nor lowering

breaker

This starts the motors in a

DIP switch 4 is set to "ON".(see

are possible.

staggered sequence.

 

ill. on next page)

 

 

 

 

 

 

 

 

18

D1 3602BA1-GB03

Image 22
Contents Four-Column Vehicle Lift Maha G MBH & CO. KG Safety Instructions Trucklift Safety Instructions Safety InformationSafety Features Further InformationSafety Guidelines Pay attention during operationTrucklift Safety Instructions Usage, Applications DescriptionGeneral View Specifications Noise EmissionsInstallation Location InstallationGeneral Information Foundations Operation ControlsVehicle Tracks Driving onto the Lift Lifting Working on Raised VehiclesLowering Locking the Lift to Prevent Unauthorised OperationTrucklift Maintenance, Troubleshooting MaintenanceTrucklift Maintenance, Troubleshooting Repair NotesTroubleshooting Checklist Problem Possible cause RemedyTrucklift Maintenance, Troubleshooting Lowering the Lift in the Event of a Power Failure Maintenance, Troubleshooting TruckliftTrucklift Maintenance, Troubleshooting Warranty Warranty, ServiceWarranty Exclusion Clause Service