Hitachi Electronics - Others - Recent Questions, Troubleshooting & Support

The various rates of flashing are error indicator codes and should be explained on the charger case. They are for the condition of the battery's though and not the charger. It sounds like the charger itself is bad. Can you return it for a replacement? Is it still in Warranty? For whats its worth, I went from Milwaukee tools to Bosch to De Walt before being satisfied with performance. I hope this helps.

MMBT2222A a general purpose NPN transistor. data sheet link is below http://www.s-manuals.com/pdf/datasheet/m/m/mmbt2222a_compact.pdf

Please go to the Hitachi site and download the user manual..it will explain in detail how to increase the speed

Ther are settable ramp up and ramp down times and there are settable speeds (max and run)

VFD is a device used for speed control of 3ph induction motors & automation process control

yes mostly from the cable

Hi, here is the link for the instruction manual.http://www.nodevice.com/manual/Hitachi/page69.html orhttp://www.diagram.com.ua/english/catalog/eng-w-video/h/eng-w-video-h.php?row=718