Ricoh D017 Service Manual page 413

Service Call Conditions
Self-diagnostics error: ASIC
821 D
[XXXX]: Detailed error code
ASIC error
The write-&-verify check error has occurred in the ASIC.
[0B00]
Defective ASIC device
Replace the controller.
ASIC detection error
The I/O ASIC for system control is not detected.
[0B06]
Defective ASIC
Defective North Bridge and PCI I/F
Replace the controller board.
Self-diagnosis error: ASIC
The CPU checks if the ASIC timer works correctly compared with the CPU
timer. If the ASIC timer does not function in the specified range, this SC
code is displayed.
System firmware problem
[0D05]
Defective RAM-DIMM
Defective controller
Reinstall the controller system firmware.
Replace the RAM-DIMM.
Replace the controller board.
Video bridge device (ASIC) error 1
The CPU does not detect the video bridge device.
[50A1]
Defective I/F between the video bridge device and controller
Replace the controller.
D017/D018/D019/D020/D084/D085 3-38 SM Appendix