User`s manual

25
STOP
STOP
User’s Manual
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.
Deactivate the button in question by
turning it clockwise until it pops out.
A2 Wire loop on traction hoist.
Damaged or defective wire or wire
outlet causes problems.
Stop work immediately!
Ask the supplier or manufacturer for help.
A3 The safety brake aligning
device is holding the service
lift on the safety wire.
a) Lift wire 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) Control not switched on or deacti-
vated
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
was pressed.
b) Door limit stop switch blocks
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
deviates from 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 traction hoist for repair.
9. Repair in the event of breakdown
1. All tests and repairs to the electronic compo-
nents should be performed by an authorised
electrician only! The power chart is placed
in the traction hoist’s power cabinet.
2. Repairs to the traction hoist, the safety brake
and to the system’s supporting components
should be performed by qualified fitters
only!
DANGER!
Avoid serious injuries:
DANGER!
Unplug the power
supply before
opening the power
cabinet.