GEDA
®
1500 Z / ZP
Page 105 of 114
Rev.: 004
BL 076 GB
Translation of the original operating manual
2011 / 03
18.7
Fault table
Fault
Cause
Remedial action
Green control light
off
Main switch off
Illuminant defective
Phase failure
Incorrect phase sequence
Trailing cable connected
Fuses OK
Turn on main switch
Replace illuminant
Measure phases
Correction of phase
sequence at phase changer
Connect trailing cable
Check / correction
Red control light on
Overload protection has been
triggered
Reduce the load
Motor does not
produce full output
Voltage drop of more than
10 %
Select a supply cable with a
greater cross section
Platform runs too
high
Top landing-level limit switch
defective
Fault in the electrical system
Test/replace the top landing-
level limit switch
Check system
Platform runs too
low
Fault in the electrical system
Excessive brake air gap
Check system
Adjust air gap
The platform access
door does not open.
The platform is not stopped
by the
DOWN
limit switch
Door lock defective
No voltage
Move the platform to the
DOWN
limit switch
Emergency interlock release
door Replace defective lock
Connect power supply
WARNING
Only have troubleshooting and fault resolution carried out by authorised
personnel trained especially for these tasks. Below you will find potential
faults and the appropriate remedial action.