• Code: C-1406
• Description: PB non-volatile memory abnormality.
• 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-1411
• Description: 5V power abnormality in the SD drive board (SDDB).
• Causes: SD drive board (SDDB) SD control board (SDCB)
• Remedy: 1 Check the connector connection and the wiring of SDDB, and repair it if any abnormality. - 2 Check the connector connection and the wiring between SDDB and SDCB, and repair it if any abnormality. - 3 Replace SDDB - 4 Replace SDCB.

• Code: C-1432
• Description: Communication error in FD
• 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-1433
• Description: Communication error in SD
• 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-1434
• Description: Communication error in RU
• 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-1435
• Description: PB control board (PBCB) error 1. Message queue full or the control abnormality of Sub CPU1 in PBCB.
• 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-1436
• Description: PB control board (PBCB) error 2. Message queue full or the control abnormality of Sub CPU2 in PBCB.
• 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-1437
• Description: PB control board (PBCB) error 3. Message queue of the communication among tasks in the PB is full.
• 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.