Gestetner G056 Service Manual page 231

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SERVICE CALL CONDITIONS
SC
Level
838
B
Self-diagnostic error - Clock generator
Controller clock generator
error detected during self-
diagnostic.
850
B
NIB interface error
NIB interface error
detected.
851
B
IEEE1394 interface error
IEEE1394 interface error
detected.
853
B
IEEE802.11b error - card not detected (power-on)
Wireless LAN card not
detected at power-on.
854
B
IEEE802.11b error - card not detected (during operation)
Wireless LAN card not
detected during operation.
855
B
IEEE802.11b error
Wireless LAN card error
detected.
856
B
IEEE802.11b interface board error
Wireless LAN interface
board error detected.
857
B
USB I/F Error
USB interface error
detected.
860
B
HDD start-up error
HDD initialization error
detected.
G073/G074
Symptom
4-4
Possible Cause/Required Action
• Defective controller
Replace the controller.
• 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.
• 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 interface board
1. Check the wireless LAN interface board
connection.
2. Replace the interface board.
Defective controller
1. Check the USB connections, make sure
that they are securely connected.
2. Replace the controller board.
• Defective HDD
1. Check the HDD connection.
2. Reformat the HDD.
3. Replace the HDD.
SM

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