Okuma Alarm-B 2227 Mnemonic or local variable mistake
The local variable name is longer than 4 characters or the reserved word (mnemonic) command of 5 or more characters is misspelled. The reserved word (mnemonic) is a character string (such as CALL, GOTO, MODIN, MODOUT) registered in the control software and used to perform fixed processing. The reserved word containing misspells of max 4 characters is accepted as a local variable.
Probable Faulty Locations
Command in the sequence which causes an occurrence of the alarm
N100 MODNN — Spelling error
Measures to Take
Check the sequence which causes an alarm whether it contains the reserved word or local variable of five or more characters and containing spelling error. In the case of a reserved word, correct the spelling and in the case of a local variable, change the local variable name which consists of up to four characters.