December 2021
Service Manual
MDE 252 Rev. 1
Troubleshooting
26
Section 2: Troubleshooting
2.9
The Manual Override Cannot Be Engaged
In case the engagement of the lever is too difficult, check whether the drive sleeve is stuck
and proceed as follows:
1.
Open the cover.
2.
Try to move the drive sleeve by a screwdriver.
3.
Reassemble the cover.
Figure 9
Figure 10