1
Item
1
Cause
Check
Remedy
The parameters are
0
Check the parameters by comparing
o
Correctly set the
para-
7
incorrectly set.
them with the parameter list
pro-
meters.
vided by the machine manufacturer
(Reference 1.2).
The motor speed cannot
D
Check that the phase sequence of .
o
Correct the phase sequence.
a
be increased (the
D‘
v,
and W between the amplifier
alarm No.
23 occurs).
and motor is correct.
9
10
The motor does not
correctly rotate only
when the orientation
stop takes place (a
runout
occurs).
The alarm disply
of the amplifier
lights.
1
Check and readjust the spindle orientation control
circuyt
by
referencing Chapter 7.
)
Check the cause and take the proper remedy by referencing
Section 1.3.3 which describes the contents of alarms.
An alarm appears on
11
the NC CRT screen.
0
Check the cause and take the proper remedy by referencing
Section 1.1.2 which describes the status display and diag-
nosis.
The
LED3(red)
on the
12
amplifier lights.
0
ROM is defective or incorrectly attached.
0
The power supply (SF-PW Module) is defective.
o
No data is transferred from NC in bus linkage state.
The spindle does not
13
rotate.
o
Check that the spindle parameters
slimit
and smax are not 0.
o
Check that the connection constants
(MCW
and inching) of the
connection parameters are not 0.
-14-
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General