Hi,

My IC-DK03 keyboard was working fine, over 2.4 and also wireless. The  keyboard was idle for almost 2 weeks. Now, when I power on the 2.4 LED keep blinking quickly. But keyboard is not connected to my MAC. The mouse is working perfectly. 

I kept it for charging, till the charging LED turns green. 

Power on again, it is the same issue. Any help appreciated.