Ricoh G031 Service Manual page 182

DIAGNOSTIC ERROR CODES
Power-up and Detailed Diagnostic Modes – Program Execution Errors
Error Code
∗∗A1
Accessing error for prohibited address
∗∗A2
Unmatched load or fetch address for TLB
∗∗A3
Unmatched store address for TLB
∗∗A4
Load or fetch address error
∗∗A5
Store address error
∗∗A6
Bus error for fetch
∗∗A7
Bus error for load or store
∗∗A8
System call exception
∗∗A9
Break point exception
∗∗AA
Fetch unsupported command
∗∗AB
Co-processor exception
∗∗AC
Overflow exception
∗∗AD
Trap command exception
∗∗AF
Floating point operation exception
∗∗B7
Watch exception
∗∗B8
Data access or fetch with vertical address
∗∗E0
Interrupt 0 exception
∗∗E1
Interrupt 1 exception
∗∗E2
Interrupt 2 exception
∗∗E3
Interrupt 3 exception
∗∗E4
Interrupt 4 exception
∗∗E5
Interrupt 5 exception
The above "∗∗" means the device code for which the diagnostic program error occurred
during its device test. For details of the device codes, refer to the 'Device Code" column of
the "Power-up Diagnostic Mode" table.
G031/G032
Description
7-10
Possible Cause
• Printer Control Board defective
SM