Minolta Di 620 Manual page 285

17) C0998 : Shifter Transfer Failure
C099C: 3rd Drawer Shift Motor M29's Failure to Turn
3rd Drawer Shifter Return Position Sensor PC23
3rd Drawer Shifter Home Position Sensor PC22
3rd Drawer Shift Motor M29
Relevant Electrical Parts
3rd Drawer Shift Motor Pulse Sensor PC30
Master Board PWB-A
Drawer S/P Board PWB-F
3rd Drawer Flexible Printed Circuit PWB-H
T-70
1155C21TAA