Dear My friend
Hi,
I have IRB540 S4P+ paint robot, robot was OFF for long time and when we turn it on the HDD led is off , i remove the motherboard and saw the battery at motherboard (my mean 3 V battery) is empty.
I replace that but also the robot doesn't com up and HDD is off , please find attach file
Please instruct me what can i do .
Many thanks.