38
Problem
Possible cause
Solution
System neither travels
upward nor downward,
and the motor simply
rotates when you press
the UP/DOWN button
In no circumstances should you continue using the hoist!
A) Wire rope blockage on the hoist
Damaged/Incorrect wire rope
or wire rope cannot exit
Stop work immediately and
request help from the hoist
manufacturer or Blastrac
B) The safety device has been tripped and
stops owing to breakage on the steel wire
rope or damage to the hoist on the steel
wire rope
Evacuate the area immediately!
Request help from the hoist
manufacturer or Blastrac
C) The system has become
caught up (in an obstacle, for
example).
Free up or untangle the system,
check for safety and notify the
supervisor.
System only travels
Downward, but not
UPWARD, and the
motor simply rotates
when you press the UP
button
Only continue when there is no security risk!
D) The system is caught up
(in an obstacle, for example).
Remove the obstacle, check the
system for safety and the notify
the supervisor
E) Overloading on the hoist, the
load-limiting device has switched off the
hoist.
Reduce the load or redistribute
the load more evenly.
F) Error in the control unit's ON
current circuit.
Check the contacts and wiring
and repair if necessary.
G) Outage on a phase.
Check the supply cable and fuses.
H) Brake rectifier defective
Replace the brake rectifier
System only travels
upward, but not
downward, and the
motor simply rotates
when you press the
DOWN button
Only continue when there is no further security risk!
I) The system is blocked by an
obstacle or caught up in an
obstacle.
Check that the drive wire rope is
tensioned. If not, tighten it up by
moving the system UPWARD.
Remove the obstacle, check the
system for safety and notify the
supervisor.
