Ricoh G148, Service Manual

Page: 287 / 537

820
• Boot monitor or self-diagnostic
program corrupted
0004 Read address exception error
820 0005 Write address exception error
820 0006 Command bus exception error
820 0007 Data bus exception error
820 0008 System call exception error
820 0009 Break exception error
820 000A Illegal command exception error
820 000B Potential sensor exception error
820 000C Overflow exception error
820 000D UTLB miss exception error
820 0010 Allocation 0 error
820 0011 Allocation 1 error
820 0012 Allocation 2 error
820 0013 Allocation 3 error
820 0014 Allocation 4 error
820 0015 Allocation 5 error
820 00FF Non-initialization allocation error
• CPU defective
• Local bus defective
• Controller board defective
820 0601 Read address exception error
• CPU device error
• Controller board defective
820 0602 Write address exception error
820 0605 System call exception error
820 0606 Break point exception error
820 0607 Illegal command exception error
820 060A Allocation 0 mask exception error
• CPU device error
• ASIC device error
820 060B Allocation 1 mask exception error
4. Troubleshooting
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