Gestetner A193 Service Manual page 271

SC CODE DESCRIPTIONS
SC980: Program loading error
-Definition- [C]
The program cannot load properly.
- Possible cause -
•
Poor connection between the BICU and the ROM board
•
BICU board defective
•
ROM board or the program defective
SC981: NVRAM clear error
-Definition- [C]
The data stored in the NVRAM was not cleared properly when the
Memory All Clear is performed.
- Possible cause -
•
NVRAM defective
SC990: Communication error between BICU and IOCSS board
-Definition- [B]
The BiCU board cannot communicate with the IOCSS board properly.
- Possible cause -
•
Poor connection between the BiCU board and the IOCSS board
•
BiCU board defective
•
IOCSS board defective
(A193) 6-10 SM