• Code: C-1451
• Description: FD operation prohibition abnormality When the FD is unready, a signal to start operations is received from the main body.
• Causes: FD control board (FDCB: FD-503)
• Remedy: 1 After turning OFF the sub power switch, turn OFF the main power switch and unplug the power plug. Restart the main body after 10 seconds. - 2 Check the connector connection and the wiring of FDCB, and repair it if any abnormality. - 3 Reinstalling FD firmware - 4 Replace FDCB.

• Code: C-1452
• Description: SD operation prohibition abnormality When the SD is unready, a signal to start operations is received from the main body.
• Causes: SD control board (SDCB: SD-506)
• Remedy: 1 After turning OFF the sub power switch, turn OFF the main power switch and unplug the all power plugs. Restart the main body after 10 seconds. - 2 Check the connector connection and the wiring of SDCB, and repair it if any abnormality. - 3 Reinstalling SD firmware - 4 Replace SDCB.

• Code: C-1453
• Description: RU operation prohibition abnormality When RU is unready, a signal to start operations is received from the main body.
• Causes: RU control board (RUCB: RU-506)
• Remedy: 1 After turning OFF the sub power switch, turn OFF the main power switch and unplug the power plug. Restart the main body after 10 seconds. - 2 Check the connector connection and the wiring of RUCB, and repair it if any abnormality. - 3 Reinstalling RU firmware - 4 Replace RUCB

• Code: C-1454
• Description: PB operation prohibition abnormality When PB is unready, a signal to start operations is received from the main body.
• Causes: PB control board (PBCB: PB-502, PB-503)
• Remedy: 1 After turning OFF the sub power switch, turn OFF the main power switch and unplug the all power plugs. Restart the main body after 10 seconds. - 2 Check the connector connection and the wiring of PBCB, and repair it if any abnormality. - 3 Reinstalling PB firmware - 4 Replace PBCB.

• Code: C-1501
• Description: Entrance conveyance motor (M1) drive abnormality. The entrance conveyance has not been completed within a specified period of time after M1 turns ON. 35-5
• Causes: Entrance conveyance motor (M1: PB-502, PB-503) PB control board (PBCB: PB-502, PB-503) PB drive board (PBDB: PB-502) PB drive board /1 (PBDB1: PB-503)
• Remedy: 1 Check the entrance conveyance section, and clean/repair it if any abnormality. - 2 Check the connector connection and the wiring between PBDB/PBDB1 and the motor, and repair it if any abnormality. - 3 Check the connector connection and the wiring between PBDB/PBDB1 and PBCB, and repair it if any abnormality. - 4 Check the I/O drive of the motor and the coupling of the gear, and repair/replace it if any abnormality. PB-502: 1-D PB-503: 1-D 5 Replace M1. - 6 Replace PBDB (PB-502), PBDB1 (PB-503). - 7 Replace PBCB.

• Code: C-1502
• Description: Intermediate conveyance motor (M2) drive abnormality. An error detection signal is detected continuously for a specified time period while the M2 is driving. 35-4
• Causes: Intermediate conveyance motor (M2: PB-502, PB- 503) PB control board (PBCB: PB-502, PB-503) PB drive board (PBDB: PB-502) PB drive board /1 (PBDB1: PB-503)
• Remedy: 1 Check the intermediate conveyance section, and clean/repair it if any abnormality. - 2 Check the connector connection and the wiring between PBDB/PBDB1 and the motor, and repair it if any abnormality. - 3 Check the connector connection and the wiring between PBDB/PBDB1 and PBCB, and repair it if any abnormality. - 4 Check the I/O drive of the motor and the coupling of the gear, and repair/replace it if any abnormality. PB-502: 2-D PB-503: 2-D 5 Replace M2. - 6 Replace PBDB (PB-502), PBDB1 (PB-503). - 7 Replace PBCB.

• Code: C-1504
• Description: SC entrance conveyance motor (M11) drive abnormality. The SC entrance conveyance has not been completed within a specified period of time after M11 turns ON. 35-4
• Causes: SC entrance conveyance motor (M11: PB-502, PB- 503) PB control board (PBCB: PB-502, PB-503) PB drive board (PBDB: PB-502) PB drive board /1 (PBDB1: PB-503)
• Remedy: 1 Check the SC entrance conveyance section, and clean/repair it if any abnormality. - 2 Check the connector connection and the wiring between PBDB/PBDB1 and the motor, and repair it if any abnormality. - 3 Check the connector connection and the wiring between PBDB/PBDB1 and PBCB, and repair it if any abnormality. - 4 Check the I/O drive of the motor and the coupling of the gear, and repair/replace it if any abnormality. PB-502: 4-D PB-503: 4-D 5 Replace M11. - 6 Replace PBDB (PB-502), PBDB1 (PB-503). - 7 Replace PBCB.

• Code: C-1505
• Description: SC switchback conveyance motor (M12) drive abnormality. The switchback conveyance has not been completed within a specified period of time after M12 turns ON. 35-4
• Causes: SC switchback conveyance motor (M12: PB-502, PB-503) PB control board (PBCB: PB-502, PB-503) PB drive board (PBDB: PB-502) PB drive board /1 (PBDB1: PB-503)
• Remedy: 1 Check the SC switchback conveyance section, and clean/repair it if any abnormality. - 2 Check the connector connection and the wiring between PBDB/PBDB1 and the motor, and repair it if any abnormality. - 3 Check the connector connection and the wiring between PBDB/PBDB1 and PBCB, and repair it if any abnormality. - 4 Check the I/O drive of the motor and the coupling of the gear, and repair/replace it if any abnormality. PB-502: 4-D PB-503: 4-D 5 Replace M12. - 6 Replace PBDB (PB-502), PBDB1 (PB-503). - 7 Replace PBCB.