Maha Energy D1 3602BA1-GB03 manual Troubleshooting Checklist, Problem Possible cause Remedy

Maintenance, Troubleshooting Trucklift

5.3Troubleshooting Checklist

The following checklist will help your service technicians to locate faults in the event of problems.

Problem	Possible cause	Remedy
When lifting, lift stops of its	a) Excessive load on the lift.	a) Check whether the load
own accord at an arbitrary	b) The distance between the	exceeds the rated maximum
height.		lifting capacity. Check the
	pulse encoder and the drive
		jackscrew lubrication and the
The LED on the circuit	pulley is too great.
		tension of the toothed drive
board lights up (see ill. on
		belt.
next page).
Lowering from this position		b) Check impulse encoder
		distance (have it corrected, if
is possible.
		necessary).
		Lifting should then be possible
		again after lowering the lift by at
		least 2 cm.
When lowering, the lift	a) The lift has run into an	a) Remove the obstacle.
stops of its own accord at	obstacle, lifting out the	b) Check the upper pulse
an arbitrary height.	jackscrew.
		encoder.
The LED on the circuit	b) The distance between	Lowering should then be
board lights up (see ill. on	the pulse encoder and the
		possible again after raising the
next page).	drive pulley is too
		lift by at least 5 cm.
Lifting from this position is	great.
possible.
Lift stops in the upper	No signals from the upper pulse	Check the upper pulse
position. After pressing the	encoders.	encoders.
RESET button followed by
the "Lower" button, all
motors activate briefly and
then stop.(see ill. on next
page)
When the "Lift" button is
pressed the motors
activate again briefly and
then stop.
Pressing the buttons again
produces no further
reaction from the lift.
The red LED on the circuit
board lights up after about
5 seconds.(see ill. on next
page)

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