10.07.2015 Views

Series 16/18/160/180-Model C Maintenance Manual, GFZ-62755EN ...

Series 16/18/160/180-Model C Maintenance Manual, GFZ-62755EN ...

Series 16/18/160/180-Model C Maintenance Manual, GFZ-62755EN ...

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10. TROUBLESHOOTING(ANALOG INTERFACE SPINDLE)B–<strong>62755EN</strong>/0110.5AL–10(LOW INPUTVOLTAGE)(Start)Measure voltage at checkterminal SDC on PCBSDC : 5V / 500V· Terminal DTDC for 1S to 3S1.5V or less?NOYESCheck DC voltage across4 and 5 of CN6* Confirm input voltage for 1S to 3SLess than 150V?NOYES* No fuse for 1S to 3SDoes fuse FUR, FUS,FUT blown?YESNO· Input voltage is low· Unit is faulty· Serge absorber is faulty· Fan motor is faulty· Unit is faulty· Instantaneous powerinterruption· PCB is faulty404

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