B–63525EN/02
11.TROUBLESHOOTING
785
Motherboard
(Main CPU board)
Sub–CPU board
Connector panel
JA48
JA7A–1
JA7A–2
JA7B
JA7B
JA7B
JA7B
JA7A
JA7A
JA7A
JA7A
JA41
SPM (first)
SPM (second)
SPM (third)
SPM (fourth)
Check that the cables are connected as shown in the figure above. Check
that JA7Bs and JA7As are connected correctly.
Check that the cables are latched firmly and are not loose.
Refer to the Connection Manual (Hardware) to check that the cables are
connected correctly.
This alarm is issued if the CNC is turned on when the LED of a spindle
amplifier indicates a number other than “24”.
On the spindle amplifier, remove the cause of the alarm. Turn off the
spindle amplifier and the CNC, then turn on the system again.
If this alarm is issued, its details can be checked with diagnosis numbers
409 and 439.
#7
0409
#6 #5 #4 #3
SPE
#2
S2E
#1
S1E
#0
SHE
SPE: 0 : In the spindle serial control, the serial spindle parameters fulfill the
spindle unit startup conditions.
1 : In the spindle serial control, the serial spindle parameters do not fulfill
the spindle unit startup conditions.
[Diagram of connection of
three or four amplifiers per
path]
D States of the spindle
amplifiers
D Details of the alarm
D 1st and 2nd spindles