Okuma Alarm-B 2221 UNUSABLE output variable No

Okuma Alarm-B 2221 UNUSABLE output variable No
The output variable number not available with the selected specification is designated.
Or, It instructed in the output variable number used with
CUSTOM-API.

Object
SYSTEM

Code
500000XX:CUSTOM-API.

Others:Hexadecimal number of output variable number

Probable Faulty Locations
Program Example:VDOUT [****] = 10
**** <- Output variable numberMeasures to Take
500000XX:The output variable number used with CUSTOM-API is confirmed.
Others:Designate the output variable in the specification.