SERVICE CALL CODE TABLE
C262/C265 4-10 SM
Code Title Conditions Possible Causes
SC990
Software
performance error
The software attempted to perform
an unexpected operation.
• Software of ACU
defective
• Internal parameter
incorrect
• Insufficient working
memory
SC991
Software continuity
error
The software attempted to perform
and unexpected operation. However,
unlike SC990, the object of the error
is continuity of the software.
• Software bug
• Internal parameter
incorrect
• Insufficient working
memory
SC992
Undefined error An undefined error has occurred. -
SC998
Application start
error
After power on the application does
not start within 60 s. (All applications
neither start nor end normally.)
• Software defective
• An option required by the
application (RAM, DIMM,
board) is not installed
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