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

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