Malfunctions - Diagnosis – Repair
GEDA
®
1500 Z/ZP
Operating Manual
76 / 84
BL076 GB Edition 07.2015
5.3.3
Platform has run too low
Cause
The
EMERGENCY
limit switch of the platform can reach the bottom
EMERGENCY
limit switch approach bar if
−
Air gap for the brake is too large,
−
The DOWN limit switch is defective,
−
there is a malfunction in the electrical system,
−
the platform is overloaded,
−
the platform was lowered with the manual brake release.
Actions:
Connect the drop-test control (refer to
From outside the platform, press the
UP
button (1).
Now the platform moves out of the
END position.
The “UP” button (1) must be pressed, because this control bridges
the Emergency limit switch. If the rotary button is inadvertently
activated, the motor brake is released and the motor can drop hard
onto the foot section (risk of damage).
After neutral running, disconnect the drop test control and plug in the
If this effect occurs repeatedly although the platform is not
overloaded, have the brake checked or adjusted by a qualified
person.
1