Gestetner B147 Service Manual page 246

SC TABLE
SC No. Item
SC 819
[696E] Process error System completely down
[766D] Memory error Unexpected system memory
size
[4361] Kernel stop The cache error trap occurs in
error the CUP.
Kernel stop Any error in the operation
error system (An error message is
output.)
SC 820
[0001] CPU error During the self-diagnostic, the
controller CPU detects an
to
error. There are 47 types of
[06FF]
error code (0001 to 4005)
depending on the cause of the
error. The CPU detects an
error and displays the specific
error code with the program
address where the error
occurs).
B147/B149/B190
Definition Possible Cause
• Defective RAM DIMM
• Defective ROM DIMM
• Defective controller
• Software error
• CPU cache error
• Defective CPU
• Defective memory
• Defective flash
memory
• Incorrect software
Self-diagnostics error: CPU
• System firmware
problem
• Defective controller
Related
Troubleshooting Procedure
SCs
Fatal error
1. Turn the main switch off and on.
2. Check and/or replace the RAM DIMM.
3. Check and/or replace the ROM
DIMM.
4. Replace the controller.
5. See NOTE at the end of the SC
table.
1. Replace the controller.
1. Replace the memory.
2. Replace the controller.
[XXXX]: Detailed error code
1. Turn the main switch off and on.
2. Reinstall the controller system
firmware.
3. Replace the controller.
When the problem cannot be fixed with
the above procedure, the following
information displayed on the screen
needs to be fed back to a technical
support center.
• SC code
• Detailed error code
• Program address
4-44
Type
CTL
CTL
CTL
CTL
SM