No.
Definition
Symptom Possible Cause
990 B
Software performance error
The software attempted to perform
an unexpected operation.
• Software defective
• Internal parameter incorrect
• Insufficient working memory
•
When this SC occurs, the file name,
address, and data will be stored in NVRAM.
This information can be checked by using SP
7403. Note the above data and the
situation in which this SC occurs. Then report
the data and conditions to your technical
control center.
991 D
Software continuity error
The software attempted to perform
an unexpected operation.
However, unlike SC990, the
object of the error is continuity of
the software.
• No operation required. This SC code does
not appear on the panel, and is only
logged.
992 B
Unexpected Software Error
Software encountered an
unexpected operation not defined
under any SC code.
• Software defective
• An error undetectable
by any other SC code
occurred
997 B
Application function selection error
The application selected by a key
press on operation panel does not
start or ends abnormally.
• Download the firmware for the application
that failed
• An
option
required
by the application (RAM
board) is not installed
998 B
Application start error.
After power on, the application
does not start within 60 s. (All
applications neither start nor end
normally.)
• Download controller firmware
• Replace the controller board
• An
option required by the application (RAM
board) is not installed
Service Call Conditions
191
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