24
STOP
AVANTI Service Lift for Wind Turbines
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 is activated.
Turn this button clockwise until it moves
out to deactivate it.
A2 Wire rope loop
on traction hoist.
Damaged or defective wire rope or
wire rope outlet causes problems.
Stop work immediately!
Ask the supplier or manufacturer for help.
A3 The fall arrest device is
holding the service lift on the
safety wire rope.
a) Traction wire rope breakage
b) Hoist failure
a) + b) Evacuate the service lift and
follow the directions in section 8
A4 The service lift is stuck on an
obstacle.
Carefully remove the obstacle.
Test the operational safety of affected
building sections. Inform the supervisor.
A5 Power failure
a) The control is not set to ON.
b) Grid voltage interrupted
c) Supply between grid connection
and control interrupted
a) Turn EMERGENCY STOP switch
clockwise until it is released
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 Limit stop switch functions
a) EMERGENCY limit stop switch is
pressed.
b) Door limit stop switch is
blocked
or is defective.
a) Manually take the lift down until the
limit stop switch is released.
b) Close the doors and test the limit stop
switch.
A7 Protection switch on
overheating
a) A phase is missing
b) Motor is not cooling
c) Voltage too high/low
a) Test/repair fuses, supply and connec-
tion.
b) Clean the hood.
c) Measure voltage and power consump-
tion on the loaded motor. If voltage
does not obey the specifications, use
cable with increased dimensions.
A8 Brake does not open (no click on on/off)
a) Supply, braking coil or
rectifier defective.
b) Braking rotor closes.
a) Have an electrician test, repair/replace
the supply, braking coil and rectifier.
b) Return the traction hoist to the
manufacturer for repair.
10. Troubleshooting
1.
All tests and repairs to the electronic compo-
nents should be performed by
certified
technicians only!
The power chart is placed
in the traction hoist’s power cabinet.
2.
Repairs to the traction hoist, the fall arrest
device and to the system’s supporting compo-
nents should be performed by
certified
technicians only!
DANGER!
Unplug the power
supply before
opening the power
cabinet.
AT00016288 Shark L AECO EN update.indd 24
11/14/2018 4:02:46 PM