• Code: F21X, F22X, F23X
• Description: Abnormality detecting in an image-processing part
• Remedy: (1) Check contact of a DDR memory and perform an operation check. (2) Exchange a Main/Engine PWB and perform an operation check. (3) Get USBLOG and contact service headquarters.

• Code: F24X
• Description: Abnormality detecting in the system Management Department
• Remedy: (1) Check contact of a DDR memory and perform an operation check. (2) Exchange a Main/Engine PWB and perform an operation check. (3) Get USBLOG and contact service headquarters.

• Code: F25X
• Description: Abnormality detecting in a network management department
• Remedy: (1) Exchange a Main/Engine PWB and perform an operation check. (2) Get USBLOG and packet capture and contact service headquarters.

• Code: F26X, F27X, F28X
• Description: Abnormality detecting in the system Management Department
• Remedy: (1) Exchange a Main/Engine PWB and perform an operation check. (2) Get USBLOG and contact service headquarters.

• Code: F29X, F2AX
• Description: Abnormality detecting in the system Management Department
• Remedy: (1) Exchange a Main/Engine PWB and perform an operation check. (2) Get USBLOG and contact service headquarters.

• Code: F2BX, F2CX, F2DX
• Description: Abnormality detecting in a network control part
• Remedy: (1) Exchange a Main/Engine PWB and perform an operation check. (2) Get USBLOG and contact service headquarters.(Depending on an analysis result, it is packet capture acquisition)

• Code: F2EX, F2FX, F30X
• Description: Abnormality detecting in a network control part
• Remedy: (1) Exchange a Main/Engine PWB and perform an operation check. (2) Get USBLOG and contact service headquarters.(Depending on an analysis result, it is packet capture acquisition)

• Code: F31X, F32X
• Description: Abnormality detecting in a network control part
• Remedy: (1) Exchange a Main/Engine PWB and perform an operation check. (2) Get USBLOG and contact service headquarters.(Depending on an analysis result, it is packet capture acquisition)