Appendix 2.13 Troubleshooting; Appendix 2.13.1 Troubleshooting For Nc - Mitsubishi Electric M700VS Series Setup Manual

MITSUBISHI CNC
Appendix 2 Explanation of Alarms

Appendix 2.13 Troubleshooting

Appendix 2.13.1 Troubleshooting for NC

In case of the error during startup, the 7-segment LED change as follows.
Using two 7-segment LED, it displays sub-CPU on left side, and main CPU on the right side.
Take a note of the 7-segment LED contents and contact the Service Center.
LED display
E
F
A
C
d
b
G
U
.(period)
(cf) In case of SRAM clear, 7-segment LED change as follows (RSW2'C')
LED display
y
c
606
Display the state of the main CPU
Display the state of the sub-CPU
Undefined interruption signal
Bus error, Address error or Interrupt exception (ASIC)
Checksum check error in Boot ROM (Flash ROM)
Checksum check error in DOSFS (Flash ROM)
Memory test error in DRAM
Time out error in ASIC
Initialization error in Graphic controller
Unsupported H/W
No correct boot data in Flash ROM
Memory test pass in SRAM
Memory test error in SRAM
Cause
Result