開機時MC-4紅色BUS指示燈亮，MAX-4提示1502報警。
開機觀察MC-4光纖發射管，發現沒有發出紅色光線。
德國：ELAU公司SB系列伺服電機維修：
VDM01U15AQ00 MCFW: V00.22.XX
VDM01U30AA00 MCFW: SERIAL
VDM01U30AB00 MCFW: V00.05.XX
VDM01U30AD00 MCFW: V00.07.XX
VDM01U30AF00 MCFW: V00.10.XX
VDM01U30AG00 MCFW: V00.11.XX
VDM01U30AH00 MCFW: V00.12.XX
VDM01U30AK00 MCFW: V00.15.XX
VDM01U30AL00 MCFW: V00.16.XX
VDM01U30AP00 MCFW: V00.20.XX
VDM01U30AQ00 MCFW: V00.22.XX
VDM01U50AA00 MCFW: SERIAL
VDM01U50AH00 MCFWXX
VDM01U50AK00 MCFW: V00.15.XX
VDM01U50AL00 MCFW: V00.16.XX
VDM01U50AP00 MCFW: V00.20.XX
VDM01U50AQ00 MCFW: V00.22.XX
VDM01D10AA00 MC-4/11/10/400 - FW: SERIAL
VDM01D10AB00 MC-4/11/10/400 - FW: V00.05.XX
VDM01D10AD00 MC-4/11/10/400 - FW: V00.07.XX
VDM01D10AF00 MC-4/11/10/400 - FW: V00.10.XX
VDM01D10AG00 MC-4/11/10/400 - FW: V00.11.XX
VDM01D10AH00 MC-4/11/10/400 - FW: V00.12.XX
VDM01D10AK00 MC-4/11/10/400 - FW: V00.15.XX
VDM01D10AL00 MC-4/11/10/400 - FW: V00.16.XX
VDM01D10AP00 MC-4/11/10/400 - FW: V00.20.XX
VDM01D10AQ00 MC-4/11/10/400 - FW: V00.22.XX
VDM01D22AA00 MC-4/11/22/400 - FW: SERIAL
VDM01D22AB00 MC-4/11/22/400 - FW: V00.05.XX
VDM01D22AD00 MC-4/11/22/400 - FW: V00.07.XX
VDM01D22AF00 MC-4/11/22/400 - FW: V00.10.XX
VDM01D22AG00 MC-4/11/22/400 - FW: V00.11.XX
VDM01D22AH00 MC-4/11/22/400 - FW: V00.12.XX
VDM01D22AK00 MC-4/11/22/400 - FW:V00.15.XX
VDM01D22AL00 MC-4/11/22/400 - FW: V00.16.XX
VDM01D22AP00 MC-4/11/22/400 - FW: V00.20.XX
VDM01D22AQ00 MC-4/11/22/400 - FW: V00.22.XX
VDM01D50AA00 MC-4/10/50/400 - FW: SERIAL
VDM01D50AF00 MC-4/10/50/400 - FW: V00.10.XX
VDM01D50AH00 MC-4/10/50/400 - FW: V00.12.XX
VDM01D50AL00 MC-4/10/50/400 - FW: V00.16.XX
VDM01D50AQ00 MC-4/10/50/400 - FW: V00.22.XX
VDM01U15AA00 MC-4/11/01/400 - FW: SERIAL
VDM01U15AQ00 MC-4/11/01/400 - FW: V00.22.XX
VDM01U30AA00 MC-4/11/03/400 - FW: SERIAL
VDM01U30AB00 MC-4/11/03/400 - FW: V00.05.XX
VDM01U30AD00 MC-4/11/03/400 - FW: V00.07.XX
VDM01U30AF00 MC-4/11/03/400 - FW: V00.10.XX
VDM01U30AG00 MC-4/11/03/400 - FW: V00.11.XX
VDM01U30AH00 MC-4/11/03/400 - FW: V00.12.XX
VDM01U30AK00 MC-4/11/03/400 - FW: V00.15.XX
VDM01U30AL00 MC-4/11/03/400 - FW: V00.16.XX
VDM01U30AP00 MC-4/11/03/400 - FW: V00.20.XX
VDM01U30AQ00 MC-4/11/03/400 - FW: V00.22.XX
VDM01U50AA00 MC-4/11/05/230 - FW: SERIAL
VDM01U50AH00 MC-4/11/05/230 - FW: 00.12.XX
VDM01U50AK00 MC-4/11/05/230 - FW: V00.15.XX
VDM01U50AL00 MC-4/11/05/230 - FW: V00.16.XX
VDM01U50AP00 MC-4/11/05/230 - FW: V00.20.XX
VDM01U50AQ00 MC-4/11/05/230 - FW: V00.22.XX
Elau ISH系列伺服電機
VIA0701D01A0000 ISH070/60011/0/0/00/0/00/00/00
VIA0701D01F0000 ISH070/60011/0/0/00/0/00/01/00
VIA0701D02A0000 ISH070/60011/0/0/00/0/00/10/00
VIA0701D02F0000 ISH070/60011/0/0/00/0/00/11/00
VIA0701D02F0000EXP ISH070/60011/0/0/00/0/00/11/00
VIA0701D11A0000 ISH070/60011/0/1/00/0/00/00/00
VIA0701D11F0000 ISH070/60011/0/1/00/0/00/01/00
VIA0701D12A0000 ISH070/60011/0/1/00/0/00/10/00
VIA0701D12A0000EXP ISH070/60011/0/1/00/0/00/10/00
VIA0701D12F0000 ISH070/60011/0/1/00/0/00/11/00
VIA0701D12F0000EXP ISH070/60011/0/1/00/0/00/11/00
VIA0701D21A0000 ISH070/60011/0/0/00/0/10/00/00
VIA0701D22A0000 ISH070/60011/0/0/00/0/10/10/00
VIA0701D22F0000 ISH070/60011/0/0/00/0/10/11/00
VIA0701D31A0000 ISH070/60011/0/1/00/0/10/00/00
VIA0701D31F0000 ISH070/60011/0/1/00/0/10/01/00
VIA0701D32A0000 ISH070/60011/0/1/00/0/10/10/00
VIA0701D32A0000EXP ISH070/60011/0/1/00/0/10/10/00