Gestetner B147 Service Manual page 250

SC TABLE
SC No. Item
SC 851 IEEE1394 The 1394 interface is
interface error unusable.
SC 853 Wireless LAN The wireless LAN card is not
card not detected before
detected communication is established,
though the wireless LAN board
is detected.
SC 854 Wireless LAN The wireless LAN card is not
card not detected after communication
detected is established, though the
wireless LAN board is
detected.
SC 855 Wireless LAN An error is detected in the
card error wireless LAN card.
SC 856 Wireless LAN An error is detected in the
card error wireless LAN board.
SC 857 USB interface The USB interface cannot be
error used due to a driver error.
SC 860 HDD: The controller detects that the
Initialization hard disk fails.
error
SC 861 HDD: Reboot The HDD does not become
error ready within 30 seconds after
the power is supplied to the
HDD.
B147/B149/B190
Definition Possible Cause
• Defective IEEE1394
• Defective controller.
• Loose connection
• Loose connection
• Loose connection
• Defective wireless
LAN card
• Defective wireless
LAN board
• Loose connection
• Defective USB driver
• Loose connection
• HDD not initialized
• Defective HDD
• Loose connection
• Defective cables
• Defective HDD
• Defective controller
Related
Troubleshooting Procedure
SCs
1. Turn the main switch off and on.
2. Replace the IEEE1394 interface
board.
3. Replace the controller.
SC 854 1. Check the connection.
SC 853 1. Check the connection.
1. Check the connection.
2. Replace the wireless LAN card.
1. Check the connection.
2. Replace the wireless LAN board.
1. Check the connection.
2. Replace the USB board.
1. Turn the main switch off and on.
2. Reformat the HDD.
3. Replace the HDD.
1. Turn the main switch off and on.
2. Check the connection between the
HDD and controller.
3. Check and replace the cables.
4. Replace the HDD.
5. Replace the controller.
4-48
Type
CTL
CTL
CTL
CTL
CTL
CTL
CTL
CTL
SM