• Code: U2-11
• Description: MFPC PWB EEPROM counter check sum error
• Causes: MFPC PWB EEPROM trouble. EEPROM socket contact trouble. MFPC PWB trouble. Strong external noises.
• Remedy: Use SIM16 to cancel the error. Replace the MFPC PWB.

• Code: U5-40
• Description: SPF connection trouble
• Causes: Hardware trouble
• Remedy: Check the operation of the SPF and the control circuit

• Code: U9-00
• Description: Communication trouble between the controller and OPU
• Causes: OPU connector connection trouble Harness trouble between OPU PWB and MCU PWB Break connector pin of OPU PWB Lift unit trouble. Connection trouble of the connector and the harness. PCU PWB trouble
• Remedy: Check connector connection and harness of OPU PWB and MCU PWB Replace OPU PWB or MCU PWB Check ground point Power off/on

• Code: U9-81
• Description: OPU communication trouble (parity)
• Causes: OPU connector connection trouble Harness trouble between OPU PWB and MCU PWB Break connector pin of OPU PWB Lift unit trouble. Connection trouble of the connector and the harness. PCU PWB trouble
• Remedy: Check connector connection and harness of OPU PWB and MCU PWB Replace OPU PWB or MCU PWB Check ground point Power off/on

• Code: U9-82
• Description: OPU communication trouble (overrun)
• Causes: Connection error between OPU PWB and MCU PWB / data corruption
• Remedy: Check connector connection and harness of OPU PWB and MCU PWB Replace OPU PWB or MCU PWB Check ground point Power off/on

• Code: U9-84
• Description: OPU communication trouble (flaming)
• Causes: Connection error between OPU PWB and MCU PWB / data corruption
• Remedy: Check connector connection and harness of OPU PWB and MCU PWB Replace OPU PWB or MCU PWB Check ground point Power off/on

• Code: U9-88
• Description: OPU communication trouble (timeout)
• Causes: Command size error from MCU to OPU
• Remedy: Check connector connection and harness of OPU PWB and MCU PWB Replace OPU PWB or MCU PWB Check ground point Power off/on

• Code: U9-99
• Description: OPU language error
• Causes: Command size error from MCU to OPU
• Remedy: Check connector connection and harness of OPU PWB and MCU PWB Replace OPU PWB or MCU PWB Check ground point Power off/on