WABECO F1200 high speed, Operating Instructions Manual, Page: 54 / 156

54
15. Operational faults and the elimination of such
Operational faults Possible cause Remedy
Machine cannot be switched
on
230V voltage is not present
Plug is not fitted correctly
Check the fuse for the socket
Emergency off switch not
unlocked Unlock the emergency off
switch
Vibrations
(e.g. by transportation) has
caused the plugged contacts of
the drive motor (1.4 kW) board to
come undone
Pull the power plug!
Lift the lid with board from the
cover hood of the drive motor
and check all plugged contacts.
Main spindle motor no longer
starts after the unlocking of the
emergency off switch Motor controller must be
unlocked For machines with a 1.4 kW
drive motor, the motor must be
switched on again using the
ON/OFF switch after the
emergency off switch is
unlocked. After unlocking, wait
approximately 5 seconds before
switching the machine on.
For machines with a 2.0 kW
drive motor, the spindle turn
switch must first be set to stop
after the emergency off switch
is unlocked. In this position,
wait approximately 5 seconds
before switching the machine
on.
After this, the motor may be
switched on as usual.
The drive motor (1.4 kW)
experiences "skips" during
operation
Carbon brushes and collector of
the drive motor are contaminated
Clean the carbon brushes and
collector of the drive motor with
a piece of coarse sandpaper
(See "Maintenance" section)
Carbon brushes are worn Replace carbon brushes with
new ones