Understanding Wanderer 30A

I have 2 100 watt renogy panels connected to 30 am Wanderer charge controller. Was working perfectly, suddenly it doesn't come out of the boost mode. Or it doesn't go into float mode. The panels weren't charging for one full day (driving and the panels aren't mounted, so they were inside vehicle). At end of day controller showed red light for the battery meaning it was under-voltage. I removed all loads from the system for it to start recharging, which it did. But now it only goes to the boost mode and doesn't reach float even when the panels are out in full sun all day with the only load on them is my cell phone and wifi hotspot. I even took those off for a while and it still will not go into float. Have I damaged something?

Hi Ellis, the wanderer has no display to inform you of batt voltage or charging amps.

The concept is the batt is charged to mid 14 volts (based on battery type setting). Held @ 14.?v for some time and then regulates to float voltage of 13.?.

A volt meter can be used to measure battery voltage to help determine if the battery is charging (voltage increasing), charging to 14.?v ...

Solar Noob Question
I have a 100w mono panel and 30 amp wanderer charge controller connected to a 100 ah deep cycle marine flooded battery. It's a 12v system. My Controller will go into float mode and won't come out of it no matter how low I draw the battery down during the day once it is in float. Is it a bad Controller? Or am I doing/reading something wrong? I usually have a fan,cell phone, and tablet hooked up and charging during the day. But by the time the sun is down my voltmeter on the battery is reading 12.62 not the 13.20.

Yep I think your reading it wrong... When is it going into float mode??? At what voltage???