Removed bottom panel, cleaned fans, replaced panel: MB won't charge...The health of my battery is great, only 77 cycles and long operating life. However, I just finished taking off my bottom pane...
Answer to: Removed bottom panel, cleaned fans, replaced panel: MB won't charge...Fixed: per Apple support. "Unplug the power adapter from the wall, let it sit for 60 seconds, then plug the adapter back in. If the adapter works after this 60-second "rest", you most likely have a line noise issue with your power source. You should reset the adapter periodically by repeating this moment of rest. This issue occurs when the AC adapter's "over voltage protection" feature senses ground noise and then turns off the adapter." https://support.apple.com/en-us/HT203207