Yaskawa MP940 Reference Manual - Manual (Page 47)

MotionSuite™ MP940 Machine Controller Reference Manual Start, Stop Sequence
3-5
:OFF, :ON, :Flash, ?:Undefined
Type
LED
Display Content
RDY RUN ALM
BAT
ALM
Normal User program stopped
User program executing normally
Error Hardware reset state (when display continues)
Initializing (when display continues)
Major fault
2 flashes: RAM error
3 flashes: ROM error
4 flashes: Peripheral LSI error
Warning ? ? ? Battery alarm
Operation error (I/O error)
No LED display. Reports to system (S)
register. Hardware status (momentary stop, START/
STOP, testing mode, etc.)
Other Memory initialization by DIP switch setting
complete.
RDY and RUN flash simultaneously
– Offline testing mode