Hettich LegaDrive Operating And Installation Instructions page 41

7. Operation
To be able to use the control unit again after changing a lifting
column's configuration in this way, proceed as follows:
No. Button
1. Simultaneously press memory position
1 2
button 1, memory position button 2 and
the desk top down button.
2. Keep this button combination pressed for
1 2
approx. 3 seconds.
3. Now release the buttons.
1 2
4. The display shows S 1.
Keep pressing the desk top up button
until the display shows S 0.
5. The display shows S 0.
Press the SAVE-button.
SAVE SAVE
The control unit is reset to factory set-
tings. The control unit is now in the same
state as during initial commissioning.
Handset display shows fault code E70.
6.
7. Unplug the control unit's power supply
and wait at least 5 seconds.
8. Plug the control unit's power supply back
in again.
9. Carry out a manual reset (see Section
7.4.4 for details).
Function
If a handset with only one up and one down button is used,
proceed as follows:
Note
i
This is possible for control units with Revision
/1.11.3.
For control units with Revision /1.9.14 or older,
resetting to factory settings is only possible with
a handset with display.
No. Button
1. Disconnect the power supply of the con-
trol unit and wait at least 5 seconds.
2. While the control unit is disconnected
from mains power, press the desk position
and
down and desk position up buttons
simultaneously. Press and hold this key
combination.
3. Keep this key combination of desk top
down and desk top up pressed while
and
reconnecting the control unit to mains
power.
4. Keep this key combination of desk top
down and desk top up pressed until the
control unit begins to click twice per se-
and
cond. Release the two buttons as long as
the control unit clicks twice per second.
The control unit is reset to factory set-
tings. The control unit is now in the same
state as during initial commissioning.
Function
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