Operating manual LL12 17/18 Version 1.6 (01/2017)
6.
In the event of a malfunction
Malfunction
Possible cause
Remedial action
Lift does not
function at all
Is the key on the control unit set
to -I- and are the others set to -0-
or removed?
Set the key switches correctly (see
4.5 or 4.6)
Is the EMERGENCY STOP
switch unlocked?
Unlock the EMERGENCY STOP
switch by turning or pulling
(depending on the design)
Is the main switch for the lift set
to -I-?
Turn on the main switch (see 4.1)
Batteries defective or deep
discharged
Replace the batteries (technical
personnel)
Safety arrester has triggered
Inform technical personnel
Are the safety barriers in the
horizontal position?
Actuate the safety barriers again or
move them slightly up or down
Lift does not
start when
platform is
unfolded and
occupied
Are the drive-on flaps freely
movable?
Press the drive-on flaps slightly
outwards. Drive in the opposite
direction.
Load-carrying capacity exceeded Reduce weight
Lift does not
fold
automatically
Are all key switches at -0-
except at the control station
selected by you?
Set the key switches correctly (see
4.5 or 4.6)
In the case of radio-controlled
control stations: are the batteries
OK?
Replace the transmitter batteries
If you cannot repair the error yourself in this way, please inform your customer service.
7.
Acoustic warning signals
Duration
[sec.]
Pause
[sec.]
Reason
Remedial action
0.1
5.0
Low battery voltage
(see also 4.2)
Drive to the charging station and
charge the batteries
0.1
0.5
Acoustic drive warning
-----
0.1
0.25
Release drive (
see page 4 for
description
)
-----
2x briefly
4.0
Overtemperature of
motor/electronics, or defective
fuse
It is possible to resume driving after a
cooling down period of approx. 5 min.
(If cooling is insufficient, the cooling
period is extended by a further 5 min.)
3x briefly
4.0
Faulty electronics/motor
Inform customer service
Continuous
tone
----
Emergency call by means of
beeper on the platform, or
overloading
Release the emergency call button.
Shift centre of gravity closer to the rail
or reduce the weight
Note: The acoustic warning signal can be suppressed by pressing the emergency stop button;
the charging procedure is maintained (exception: continuous tone).
