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November 2003 © TOSHIBA TEC 5 - 45 e-STUDIO3511/4511 TROUBLESHOOTING
[C1A0] LCF end fence motor abnormality
Is the LCF end fence motor working? (Perform the output check: 03-207)
NO 1. Check if the connector of the LCF end fence motor is disconnected.
2. Check if any of the connectors CN100, CN101 and CN103 on the LCF board is
disconnected.
3. Check if the connector CN332 on the LGC board is disconnected.
4. Check if the connector pins are disconnected or the harnesses are open circuited.
5. Check if the conductor patterns on the LCF board and LGC board are short
circuited or open circuited.
6. Replace the LCF board.
7. Replace the LGC board.
YES
Are the LCF end fence home/stop position sensors working?
(Perform the input check: 03-[FAX]OFF/[5]/[A], /[5]/[B])
NO 1. Check if the connectors of the sensors are disconnected.
2. Check if either of the connectors CN100 or CN107 on the LCF board is
disconnected.
3. Check if the connector CN332 on the LGC board is disconnected.
4. Check if the slit reaches the sensors.
5. Check if the connector pins are disconnected or the harnesses are open circuited.
6. Check if the conductor patterns on the LCF board and LGC board are short
circuited or open circuited.
7. Replace the LCF board.
8. Replace the LGC board.
YES
1. Check if the conductor pattern on the LGC board is short circuited or open circuited.
2. Replace the LGC board.
[C1B0] LCF transport motor abnormality
Is the LCF transport motor working? (Perform the output check: 03-122/172)
NO 1. Check if the connector CN112 of the LCF transport motor is disconnected.
2. Check if the connector CN102 on the LCF board is disconnected.
3. Check if the signal line connector CN100 on the LCF board is disconnected.
4. Check if the power line connector CN101 on the LCF board is disconnected.
5. Check if the connector CN332 on the LGC board is disconnected.
6. Check if the connector pins are disconnected or the harnesses are open circuited.
7. Check if the conductor patterns on the LCF transport motor board, LCF board
and LGC board are short circuited or open circuited.
8. Replace the LCF transport motor.
9. Replace the LCF board.
10. Replace the LGC board.
YES
1. Check if the connector pins are disconnected or the harnesses are open circuited.
2. Check if the conductor patterns on the LCF transport motor board, LCF board and LGC board are
short circuited or open circuited.
3. Check if the PLL lock signal CN102-3 pin output from the LCF board is always “L” level.
4. Check if the voltage supplied to the microcomputer input terminal IC103-17 pin is always “L” level.
5. Replace the LCF transport motor.
6. Replace the LCF board.
7. Replace the LGC board.