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3.5 Control unit
All movement of the lift stops immediately
when you release a pressed button.
Figure 16: Control unit in the lift column
1.
Selector,
only for SM40LT/SM55LT variant with
lifting table:
•
Left setting: Main lift active
•
Right setting: Lifting table active
2
. UP button
For main lifts or lifting tables.
Functions only if the button is pressed.
Post lift /lifting table runways move up.
3.
On/Off
switch for optional lighting.
4.
DOWN button
•
For main lifts or lifting tables .
Functions only if the button is pressed.
The main lift or lifting table runways move up
for around 2 seconds to release themselves
from the locking latches.
Runways move down until the automatic shut-
off is activated 120 mm above the ground
(foot protection, otherwise this may present
a crushing and shearing hazard). The
lower-
ing process stops.
5.
LOCK button
•
For main lifts or lifting tables.
Functions only if the button is pressed.
•
Main lift: Locks the cross beams in the latch bars
of the four lift columns. Keep button pressed until
all cross beams lock securely into the latch bars.
•
Lifting table : Lowers both runways onto the toot-
hed lock bars (ratchets).
Keep button pressed until both runways lock se-
curely into the latch bars.
6.
DOWN button in the danger zone below 120
mm
•
For main lifts.
Only functions after the 120 mm automatic shut-
off has reacted to DOWN (4). The runways can
then be lowered completely if only button (6) is
pressed at that time. A buzzer sounds through-
out the entire lowering process.
7.
Buzzer
Acoustic alarm. Sounds:
•
When the main lift is being lowered < 120
mm (Foot protection)
•
When the lifting table is being lowered (hand
and finger protection).
•
When troubleshooting (lifting/lowering using
the override switch, for height equalizing or
during emergency manual lowering).
8.
Lockable main switch
"ON“ setting: Post lift ready for use.
"OFF“ setting: Post lift out of use. The mains
voltage is still present inside the control box.
Switching off (OFF) immediately stops any
movement of the post lift (= emergency stop).
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