ALBERTO SASSI MODY Betriebs- Und Wartungsanleitung Seite 151

152
Type of
Conditions
defect
Oil leackage
from slow
Oil
shaft
leackage
Oil leackage
form motor
Smoke
from
gearbox
at full load
applied
Problems
to lift
The motor
the cabin
does not
loaded
start
at full
capacity
The cabin
Problems
does not
in decelera-
stop
ting
correctly at
the cabin
floor level
Possible causes
case of VFVF
machines
Wrong inverter setting
Wrong fixing of encoder
Encoder signals problem
EMC problems
Wrong inverter setting
Wrong fixing of encoder
Encoder signals problem
EMC problems
Possible causes
Case o of AC 2
speed machines
Excessive fly wheel
masses applied
Wrong motor size
Wrong motor size
Wrong fixing of encoder
REV. 3 / 2014-04
Other possible
causes
Too much oil inside
machine
Wrong positioning of the
O-ring
Oil leackage form motor
Wrong positioning of the
O-ring
Wrong balancing between
cabin and counterweight
Wrong procedure at first
starting of
the machine
Wrong type of oils used
Insufficient lubrication
inside gear box
Wrong out of balance
applied
Excessive friction
on the guides
Wrong brake shoes
adjustment
Brake electromagnet
defecitve
Wrong electromagnet
voltage supply
Wrong motor supply voltage
applied Wrong motor
cables connection
Defective motor
Wrong motor cables
connection
Too short deceleration
distance in the shaft