Drive System Related Service Call; Adu Motor Rotation Abnormal - Toshiba FC-22 Manual

4.1.9 Drive system related service call

C05 ADU motor rotation abnormal
Is the ADU motor rotating properly?
NO
YES
Are the pins B2 and B4 of the connector J103 on the LGC board always at the level "L"?
NO
YES
1. Check if any conductor pattern on the LGC board is open- or short-circuited.
2. Replace the LGC board.
FC-22 TROUBLESHOOTING
1. Check if the harness between the LGC board and the ADU drawer connector
is open-circuited.
2. Check if the harness between the switching power supply and the ADU drawer
connector is open-circuited.
3. Check if any of the connectors J101, J102 and J103 on the LGC board is
disconnected.
4. Reduce the mechanical load on the motor by adjusting the drive system.
Remove foreign matter if any.
5. Replace the LGC board.
1. Check if the connector J103 on the LGC board is disconnected.
2. Check if any conductor pattern on the LGC board is open- or short-circuited.
3. Check if any harness is open-circuited or any connector pin is disconnected.
4. Replace the LGC board.
4 - 16 January 2000 © TOSHIBA TEC