28
STOP
STOP
Breakdown
Cause
Remedy
Platform moves up
DANGER
!
but not down
Thoughtless behaviour
endangers the safety
of the installation!
D1 The platform has hit
Move platform carefully upwards,
an obstacle
and remove the obstacle.
or has become caught
Check platform parts affected for their
on an obstacle.
operational safety.
Inform the supervisor.
D2 BLOCSTOP
®
fall arrest device
holds the platform
on the safety rope.
a)
Lifting rope rupture
a) + b)
Evacuate platform and follow
the instructions in section
b)
Failure of the hoist
5.6, page 25.
c)
Platform becoming caught
c) Move upwards until the loaded
(with BLOCSTOP
®
BSA…)
lifting rope opens the BLOCSTOP
®
.
d)
Inclined position of the platform
d) Move lower platform end
(with BLOCSTOP
®
BSA…)
upwards until the loaded lifting
rope opens the BLOCSTOP
®
.
e)
Hoist speed too high
e) Check hoist.
(with BLOCSTOP
®
BSO…)
f)
Trigging speed too low
f)
Replace BLOCSTOP
®
and send
(with BLOCSTOP
®
BSA…)
for checking.
DANGER!
Defective BLOCSTOP
®
fall arrest devices
endanger the operational safety of the installation!
They must be replaced as a matter of urgency!
D3 Error in DOWN control circuit
If necessary Emergency descent
of the central control system
(details in section 5.5)
or the TIRAK
®
hoist.
Check connections, wiring, contactors
etc. and replace if necessary.
Should these steps not explain the cause and provide a remedy please contact
GREIFZUG Hebezeugbau GmbH, other TRACTEL Group company, or a hoist workshop.
a)
Amchoring the platform:
– Lower working platform to the ground with
slightly tensioned ropes
or
– anchor working platform to the building in
order to secure it against swinging motion.
b)
Disconnect the power supply to prevent any
unauthorised operation:
– Disconnect power supply cable from site dis-
tributor
or, if available
– turn and lock the main switch to “0“.
7. Out of operation
DANGER!
Always pull
the plug out be-
fore opening a
terminal box or
a pendant or
central control!
