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Check the main motor operation with SIM 25-01.
Operates.
Does not operate.
Check the Lock signal.
If the MMLD signal is not delivered from the MM, replace the MM.
If the MMLD is delivered to the MCU, replace the MCU. Follow the MMLD signal in the MCU.
Check the connector CN107 (MCU), and the connector on the motor side.
Check the connector
Check the MMLD signal (3 pin).
MM
MMLD
MCU
Check the MM drive signal.
CN107, 4 pin (MMD)
CN107, 7, 8 pin (24V)
If the MMD is delivered from the MCU, replace the MM.
If the MMD is not delivered from the MCU, replace the MCU.
If 24V is not supplied,
check the connector and its
peripheral.
Follow the MMD signal.
Check the polygon motor operation with SIM 25-10.
Operates.
Does not operate.
Check the Lock signal.
If the PMRDY is not delivered from the PM, replace the LSU.
If the PMRDY is delivered to the MCU, replace the MCU.
Follow the PMRDY signal in the MCU.
Check the connector CN119 (MCU) and the connector on the motor side.
Check the connector.
Check the PMRDY signal (15 pin).
PM
PMRDY
MCU
Check the PM drive signal.
CN119, 16 pin (PMD)
CN119, 14 pin (PMCLK)
Ch119, 18 pin (24V)
If the PMD is delivered from the MCU, replace the LSU.
If the PMD is not delivered from the MCU, replace the MCU.
If 24V is not supplied,
check the connector
and its peripheral.
Follow the PMD signal.
Cancel U2 with SIM 16.
US can be canceled.
U2 cannot be canceled.
Make a copy. Turn off and on the power Check that U2 error does not occur.
If it does occur again, go to the procedure of "U2 cannot be canceled."
Trouble in the EERPOM or its peripheral circuit (SCL, SDA)
1 (CPU section) signal
EEPROM CPU
SDA
SCL