Yaskawa MP2200 Machine Controller - Manual (Page 513)

10.2 Error Detection
10-27
Er
ror
s (cont
’d)
Blinking Blinking −
Hardware Error
(Number of LED blinks indicates
error type.)
1:
−
2: ROM diagnostic error
3: RAM diagnostic error
4: CPU diagnostic error
5: FPU diagnostic error
6: Shared memory diagnostic error
7: JL-080 diagnostic error Hardware failure in the Module
The Module must be replaced.
Lit Blinking −
Software Error
(Number of LED blinks indicates
error type.)
1:
−
2: Watchdog timer over error
3: Address error (read) exception
4: Address error (write) exception
5: FPU exception error
6: Illegal general command
7: Illegal slot command
8: General FPU inhibited error
9: Slot FPU inhibited error
10: Watchdog timer over error
If a watchdog timer over error occurs, it is possible that the user
program's processing time is longer than the scan time setting.
Check the user program and the scan time setting.
W
rit
in
g F
la
sh
Memory
Not lit Lit −
Erasing Flash Memory
Writing Flash Memory
This LED status indicates that the flash memory is being erased or
written when a flash memory writing tool was connected before
turning the power ON.
Lit Lit −
Flash Memory Write Completed
Normally
This LED status indicates that the flash memory was written
successfully when a flash memory writing tool was connected
before turning the power ON.
Lit Blinking − Flash Memory Write Error
This LED status indicates that the flash memory write operation
failed (error end) when a flash memory writing tool was connected
before turning the power ON.
Either check the Module's ROM or turn the power OFF and then
ON to try writing again.
(cont’d)
Cl
as
si
ficati
on
LED Indicator
Indicator Details Meaning
RUN ERR TX