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Siemens Servo Driver maintenance

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台达PLC AS3解密
Name:Yaskawa servo SGDV maintenance
Model:SGDV-5R5A
Hong Jia Wei servo driver series: SGDB, SGDM, SGDL, SGDS, SGDV. Common fault repair YASKAWA Yaskawa servo drive: no display, lack of phase, overcurrent, overvoltage, undervoltage, overheating, overload, grounding, parameter error, output module, display without damage;
Description
Yaskawa servo SGDV maintenance
Model: SGDV-5R5A
Failure phenomenon: alarm A.030
Fault analysis: the main circuit fault detection, measurement IGBT module shows the normal driving and normal output. The main circuit power supply detection is normal, in the measurement of the main power supply voltage is obviously low, which shows the main power supply detection fault. Measure voltage detection alarm voltage optocoupler but no conduction detection in power supply system. Description of optocoupler in the main loop failure caused alarm. After replacing the optocoupler energized display "A.C90" for the encoder alarm alarm, insert motor encoder display normal.
Repair: the replacement of the main power supply detection optocoupler after normal.
Hong Jia Wei servo driver series: SGDB, SGDM, SGDL, SGDS, SGDV. Common fault repair YASKAWA Yaskawa servo drive: no display, lack of phase, overcurrent, overvoltage, undervoltage, overheating, overload, grounding, parameter error, output module, display without damage;
Jia Hong Wei repair service hotline: 0755-28916839, 13640994287 Shaw
Description
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