Help please - Sunexplorer display off?

[Anders79]

My display for my factory installed solar (Sunexplorer controller display) is now blank, but has been working for years. Pushing the select button does nothing. Maybe just lost power? Everything else in AS seems fine. Not sure where the fuse is or what i should check first (and second). Any advice on what to check

[paiceman]

My guess is you have a sunexplorer controller hidden where the electric comes in from the batteries. The controller is black and has a green, red and yellow light indicator system on it. Red, no sun not charging - Yellow not charged but working at it and green all charged up. Those controllers do go bad. I'd check to see if there are lights if not there should be an inline fuse in the battery box. If that is ok, I'd suggest you call sun and see about getting a replacement. When we had our 2015 FC the controller went bad on a trip and under warranty they sent me a new on, I had to return the old one to them and I hooked it up, not a problem and it worked fine from then on.