9
Malfunction
Malfunction
Cause
Remedy
Significant power loss.
Landing gears damaged/worn.
Carbon brushes worn.
Repair or replace the landing gears.
Renew carbon brushes.
Landing gears do not
extend or retract electri-
cally.
Electric drive is defective.
There is a mechanical problem on the landing gears.
Activation of the electric drive is faulty.
Extremely low outdoor temperatures.
The load has not been removed from the landing
gears before attempting to move it electrically.
Electrical power supply from the tractor vehicle is
not sufficient.
Replace, move the landing gear manually with the crank.
Repair or renew the landing gear.
Check cables and connectors for damage and correct seating.
Check the plug connection to the tractor vehicle.
Check the fuse on the tractor vehicle.
Check the fuse in the electric drive (see chapter 8.1).
Move the landing gear manually with the crank.
Remove the load from the landing gear using the air suspension
and try again.
Check the battery charge status of the semi-trailer tractor vehi-
cle, and charge the battery if necessary.
Winches do not retract
or extend, and the but-
ton LEDs flash quickly.
Electronics defective.
Renew the electric landing gear drive.
Manual operation does
not function.
There is a mechanical problem on the landing gears.
The electric drive unit has a mechanical defect and is
therefore blocked.
Repair or renew the landing gear.
Unscrew the connection bolts between the motor and screw-on
plate and pull off the motor. Renew the defective drive.
38
MUB 006 001 M01
(REV-D)
07-2020
Modul E-Drive
