Okuma Alarm-P 0841 FCP4 board detected error


Okuma Alarm-P 0841 FCP4 board detected error
FCP4 board fell into an abnormal state.

Character-string
AAAABB
AAAA: Name of task being executed

BB: Program module being executed

Code
WWXXYYZZ
WW=0 (when omitted)

XXYYZZ Same with the alarm P 809

WW=10 OS is faulty.

XX=00 PLT0 task

=01 PLT1 task
=09 PLSY task
=10 PLR2 task
=20 PLR3 task
YYZZ= (alarm contents)
=0001 Failure in forced termination of task
=0002 Task start failure
=0003 Failure in waiting for task start
=0004 Failure in waiting for task start (after 1.6 ms delay)

WW=20 Internal memory check error

XXYYZZ indicates the leading address of the check area.
Okuma Alarm-P 0841 FCP4 board detected error