GEDA AB 650 - Page 77

GEDA
®
SUSPENDED WORKING PLATFORM AB 450 / 650 Malfunctions – Diagnosis – Repair
BL061 GB Edition 04/2016
77 / 96 Assembly and operating manual
Malfunction
Cause
Remedial action
Red control light on
Overload protection has
triggered
Phase error
Rope end control operated
Reduce the load
Turn phase sequence
monitor
Routine examination of
the spring on the rope exit
pressed / adjustment
Motor does not attain
full performance
Voltage drop of more than
10%
Thermal switch of the motor
shuts off the control current.
(Motor temperature 120 °C).
Select cable with larger
cross-section
Allow the motor to cool
down.
Drive rope is
creaking
Use a new rope
Wait for initial break-in
phase to end. If
necessary, lubricate the
rope.
Drive rope blocked
Rope unable to enter and exit
the winch freely. Fault with the
rope.
Actuate rope stop
manually. Press
UP/DOWN button and pull
hard on the rope.
Winch slips through
Defective drive rope
Traction pulley worn
Replace drive rope
Replace traction pulley
Rope end control has
been triggered
Winch too low / driven down
onto the rope-clamping weight
Release rope end control
by turning the hand wheel
on the motors of the winch
anti-clockwise.
gh