I recently acquired my first home and first pool. What a learning curve! My Autopilot system has a couple issues; purifier off check flow, time clock not working. I opened up the cover and see the below on the main circuit board -

Can anyone help my identify what’s going on in the bottom left here? I’m a complete newbie so any help on this and the other issues mentioned above would be greatly appreciated!

Can anyone help my identify what’s going on in the bottom left here? I’m a complete newbie so any help on this and the other issues mentioned above would be greatly appreciated!