Trouble III
Checkup
Remedy
Control equip-
ment fails from
time to time, or
error occurs in
oriented spindle
stop position.
(Condition is
restored when
the power is
turned off and
then on to re-
set.)
In this case, the compre-
hensive analysis must be
accomplished to deter-
mine the cause (load con-
dition,
operation mode,
etc.).
Check if instantaneous
power failure occurred
or
VOLTAGE"
was displayed.
Check if malfunction
(1) Check the power
(2) Determine the
occurred in contol
noise source and
circuit,
due to large
install a surge
noise.
killer, etc.
The control equipment
Check and improve
is capable of
grounding method
standing noise (in
(particularly,
power supply) of
grounding of
Check if overload
(3) Check mechanisms
due to momentary
carefully.
change of load.
Check backlash
Check with particular
between spindle
care if error occurred
and spindle
in oriented spindle
coder.
stop.
