Okuma Alarm-B 2493 Linked external equipment program selection
1->PN command value is outside the range from 1 to 9999.
3->No PN command is given after MHPS command.
XXXXYY04->The point data file number or the program file number did not match the command value.
XXXX … Point data file number answer
YY … Program file number answer
Measures to Take
If the code 1 appears, set the PN command value in the range from 1 to 9999.
If the code 3 appears, insert PN command after MHPS command.
If the code XXXXYY04 appears, select the correct program and point data file.