Service Call Conditions
G160/G161 4-30 SM
SC
[Level]
Symptom Possible Cause/Required Action
Data Overwrite Security Unit
(B735) is installed and
activated.
1. Replace the NVRAM and then install the
new SD card (B735).
2. Check and reinstall the SD card (B735).
Electric counter error
900
[D]
Abnormal data is stored in
the counters.
Defective NVRAM
Defective controller
1. Turn the main switch off and on.
2. Check the connection between the
NVRAM and controller.
3. Replace the NVRAM.
4. Replace the controller.
Printer function error
920
[B]
The error that causes the
malfunction in the software
application is detected.
Turn the main switch off/on, or install Printer
Application firmware
Unexpected hardware structure (insufficient
memory or hard disk space.)
Printer font error
921
[B]
No font is detected in the
machines that have the font
in the SD card when the
printer application is run.
Install the System, Printer Application, NIB,
and Web System firmware.
Software performance error 1
990
[D]
The software makes an
unexpected operation.
Defective software
Defective controller
Software error
1. Reinstall the controller and/or engine
main firmware.
2. See the Note at the end of the SC table.
Software performance error 2
991
[C]
Unexpected software error
detected, which does not
affect operation of the
machine
The machine does not stop and the SC code is not
displayed. The machine automatically recovers.
However, the SC code is logged in the engine
summary sheet (SMC).
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