Maha Energy D1 3602BA1-GB03 Manuel D’Utilisation
Trucklift
Maintenance, Troubleshooting
18
D1 3602BA1-GB03
Problem Possible
cause
Remedy
The lift stops at a height of
approx. 260 mm
(measured from the floor to
the lower edge of the
carriage).
approx. 260 mm
(measured from the floor to
the lower edge of the
carriage).
The lift can only be
lowered from this position.
lowered from this position.
Further raising is not
possible.
possible.
The LED on the circuit
board blinks.(see ill. on
next page)
board blinks.(see ill. on
next page)
a) The distance between the
catch nuts and the jackscrew
bearing nuts is too small.
catch nuts and the jackscrew
bearing nuts is too small.
b) A proximity switch is defective
or its setting is incorrect.
or its setting is incorrect.
a) Check the wear of the bearing
nuts.
nuts.
b) Check the distance between
the proximity switches and the
switching cams on the frame
and on the catch nuts .5 mm).
the proximity switches and the
switching cams on the frame
and on the catch nuts .5 mm).
The lift stops at a height of
approx. 400 mm
(measured from the floor to
the lower edge of the
carriage).
approx. 400 mm
(measured from the floor to
the lower edge of the
carriage).
The lift can only be
lowered from this position.
lowered from this position.
Further raising is not
possible.
possible.
The LED on the circuit
board blinks.(see ill. on
next page)
board blinks.(see ill. on
next page)
No signal pulse from the
switching cam on the frame or
the catch nut.
switching cam on the frame or
the catch nut.
Check the proximity switches.
(Call MAHA-Service Dept.).
(Call MAHA-Service Dept.).
Check the distance between the
proximity switches and the
switching cams on the frame
and on the catch nuts.
proximity switches and the
switching cams on the frame
and on the catch nuts.
The lift can only be moved
to its lower starting
position.
to its lower starting
position.
Lifting is no longer
possible.
possible.
A bearing nut is broken and the
load is being borne by the catch
nut.
load is being borne by the catch
nut.
Have the bearing nut repaired.
Shut down the lift and
lock the main switch!
At the beginning of lifting
the lift stops and the power
supply circuit breaker trips.
the lift stops and the power
supply circuit breaker trips.
Neither lifting nor lowering
are possible.
are possible.
All motors are starting up
simultaneously. This causes a
voltage peak that trips the circuit
breaker
simultaneously. This causes a
voltage peak that trips the circuit
breaker
DIP switch 4 is set to "ON".(see
ill. on next page)
ill. on next page)
Change the setting of DIP switch
4 on the control PCB to
"OFF".(see ill. on next page).
4 on the control PCB to
"OFF".(see ill. on next page).
This starts the motors in a
staggered sequence.
staggered sequence.