Specifications

29
User’s Manual
7. Repair in the event of breakdown
STOP
Breakdown Cause Solution
The service lift
will neither go up
nor down!
DANGER!
Attempting to use the lift will jeopardize work safety
A1 The fixed EMERGENCY STOP
button has been activated.
Reset the button in question by pulling or
turning it
A2 TOP SWITCHES have been
activated.
Carefully remove the obstacle.
A3 Damaged rack/pinions
a) Check the damage.
b) Evacuate the cabin.
A4 The service lift is stuck on an
obstacle.
a) Remove the obstacle.
b) Test the operational safety of affected
tower sections. Inform the supervisor.
A5 Power failure
a) Main switch is OFF
b) Grid voltage interrupted
c) Supply between grid connection
and control interrupted
a) Turn the main switch ON
b) Find the cause and wait for the power
to return.
c) Test and if necessary repair the supply
cable, guide wires, fuses, and/or wiring
from the control box
A6 Two phases changed in the
supply
Have an electrician switch the two phases
in the plug.
A7 TOP SWITCHES have been
opened.
a) Check the service doors.
b) Check the hatches.
A8 Motor thermal protection
a) Rearm.
b) If repeated, call AVANTI
A9 ELECTROMAGNETIC BRAKES
not open.
a) Check voltage to the electromagnetic
brakes.
b) Check the springs.
c) Check the brake disc.
d) Regulate the brake disc.
A10 MAGNETIC THERMAL
CONTROL.
a) Rearm.
b) If repeated, call AVANTI.
A11 CONTROL DIFFERENTIAL.
a) Rearm.
b) If repeated, call AVANTI.
A12 OVER VOLTAGE
PROTECTION.
a) Rearm.
b) If repeated, call AVANTI.
A13 EMERGENCY LIMIT STOP
SWITCH has been activated.
a) On top platform, manually take the lift down
until the switch is released.
b) On bottom platform, disassemble the
bottom plate until the switch is released.
c) Check the position of the plates.
d) Check the top and bottom mechanical stop
position.
A14 OVERLOAD
a) Test and possibly reduce the load.
b) If repeated, call to technical service.
1. All tests and repairs to the electronic compo-
nents should be performed by an authorised
electrician only! The wiring diagram is placed
in the traction hoist’s power cabinet.
2. Repairs to the traction hoist, the safety gripping
device and to the system’s supporting compo-
nents should be performed by qualified fitters
only!