Can you jumper a battery from a cordless drill or equivalent of the same voltage as the Solus Pro battery to the internal contacts for the battery to see if it still does it or boots up correctly or not? Originally Posted by Witsend. Does anyone have an idea what it is trying to tell me please?įind all posts by kirkbarrow. So, I just picked up cheaply a Solus Pro, but all it does after connecting to ac power no internal battery yet is three rapid short beeps, space then three more rapid short beeps.