Ricoh G108 - Page 81

SERVICE CALL
Trouble-
shooting
Code Class Error Possible Cause
622 D Optional paper feed unit error
• Loose connection between the IOD and
the optional paper feed unit
623 Duplex unit communication
error 1
624
D
Duplex unit communication
error 2
• Loose connection
• Defective circuit in the duplex unit
• Defective BCU
660 D NVRAM error
• Defective BCU
670 D BCU error
• Loose connection
• Defective controller
• Defective BCU
680 D BCU error
• Defective BCU
681 D Process timing error
• Loose connection
• Defective main motor
• Defective input output device
818 D Watch-dog error
• Defective controller
• Software error
819 D Fatal error
[696E] Process error
• Defective RAM DIMM
• Defective ROM DIMM
• Defective controller
• Software error
[766D] Memory error
• Defective RAM DIMM
• Defective ROM DIMM
• Defective controller
• Software error
820 D Self-diagnostics error: CPU
[0001] to [06FF] CPU error
• System firmware problem
• Defective controller
[0702] [0709]
[070A]
CPU/Memory Error
• System firmware problem
• Defective RAM-DIMM
• Defective controller
[0801] to [4005] CPU error
• System firmware problem
• Defective controller
821 D Self-diagnosis error: ASIC
• System firmware problem
• Defective RAM-DIMM
• Defective controller
822 B Self-diagnostic error: HDD (Hard Disk Drive)
[3003] Timeout error
• Loose connection
• Defective HDD
• Defective controller
[3004] Command error
• Loose connection
• Defective HDD
• Defective controller
823 B Self-diagnostic error: NIB
[6101] MAC address check sum error
• Defective controller
[6104] PHY IC error
• Defective controller
[6105] PHY IC loop-back error
• Defective controller
SM 4-5 G108