Okuma Alarm-P 0940 Time sharing task control

Okuma Alarm-P 0940 Time sharing task control
Time sharing task control is impossible.

Object
None

Character-string
‘A’
A= 1 to 7… Main board number which detected this alarm

Code
Hexadecimal number of the data at address 8 of the supervisor stack, when interruption is activated

Probable Faulty Locations
1)Function error of the PTM (programmable timer) on the main board
2)Problem with software
3)Malfunction of TMINT on FCP board