Ricoh G092 Service Manual page 111

SC Symptom
824 Self-diagnostic error – NVRAM
NVRAM error detected
during self-diagnostic.
827 Self-diagnostic error - standard SDRAM
Standard SDRAM
(memory) error detected
during self-diagnostic.
828 Self-diagnostic error - Flash ROM
Flash ROM error detected
during self-diagnostic.
829 Self-diagnostic error - Optional RAM
Memory RAM error
detected during self-
diagnostic.
835 Self-diagnostic error - Parallel interface
Parallel interface error
detected during self-
diagnostic.
836 Self-diagnostic error - Font ROM
The data in the font ROM
on board is damaged.
837 Self-diagnostic error - Optional font ROM
The data in the font ROM
(optional ROM-DIMM) is
damaged.
850 NIB interface error
NIB interface error
detected.
851 IEEE1394 interface error
IEEE1394 interface error
detected.
853 IEEE802.11b error - card not detected (power-on)
Wireless LAN card not
detected at power-on.
854 IEEE802.11b error - card not detected (during operation)
Wireless LAN card not
detected during operation.
SM
Possible Cause/Required Action
• Poor NVRAM connection
1. Check if the NVRAM is properly installed.
2. Replace the NVRAM
• Defective controller
Replace the controller if the error is frequent.
• Defective controller
Replace the controller if the error is frequent.
• Poor connection of the optional memory
• Defective memory RAM
1. Check the connection of the optional memory.
2. Replace the memory DIMM.
• Defective controller
Replace the controller.
• Defective font ROM.
1. Turn the main switch off and on.
2. Replace the controller board.
• Defective optional ROM-DIMM.
1. Turn the main switch off and on.
2. Replace the optional ROM-DIMM.
• Defective controller
Replace the controller.
• Defective controller
Replace the controller.
• Poor connection
• Defective wireless LAN card
• Defective controller
1. Check the wireless LAN card connection.
2. Replace the wireless LAN card.
• Poor connection
• Defective wireless LAN card
• Defective controller
1. Check the wireless LAN card connection.
2. Replace the wireless LAN card.
4-7
CONTROLLER ERROR
G081/G092