5999.505-01C 12.06.2007 WM
2
30
At higher labeling speed
the motor stalls
Too much friction of the
paperweb
Clutching force of the
rewinder is too high
Check the paperbrake
Add Teflon tape to the
peeling bar
Reduce all friction of the
paperweb where possible
Check the unwinder
dancer
Release the breaking
force of the rewinder or
replace the felt disks
Paperweb breaks behind
the paperbrake
Lateral paperguides hurt
the paperweb
Paperbrake set too hard
Enlarge the space
between the paperguides
Reduce the braking force
Table 17: troubleshooting control print
SYMPTOMS
DIAGNOSIS
ACTION
Motor is dead, power
switch is not illuminated
No mains connected to
trafo
Check for correct main
connection
Check main fuse F1
Check internal main
switch wiring
Motor is dead, power
switch is illuminated
Motordriver probably not
working
Check motordriver fuse
F10
Check for undervoltage
Check for motordriver
overheat
Check on motorwires for
short connection
Check trafo wiring
Motor turning direction is
wrong
Wrong Motor wiring
Reconnect motor wires
according to the Technical
Handbook
Motor makes noise and
shakes. It does not turn
correctly
Faulty motor driver chip
Missing connection of one
motor wire
Replace the board
Connect motor wires
according to the Technical
Handbook
Table 16: troubleshooting traction unit
SYMPTOMS
DIAGNOSIS
ACTION