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Oh I thought each panel is 12v and putting 2 set in series and then in parallel would make 24v? Luckly, yes I do have breakers on the PV wires.

Great thanks. I will reach out.

Hi guys. I'm new to the forum. Been watching Will prowse on YouTube. About two month ago I got the Mpp solar lv2424 unit with a 3.7kw byd battery pack. Last night my low battery fault code 04 came up. This morning now the mpp is not turning on.....any ideas?

Hi guys, new to the forum. Big watcher of Wills channel. I purchased the lv2424 and 4-100 watts renogy panels and 3.7kw grade b byd battery bank...last night code 04 came on for low battery. Now this morning the all in one is not even turning on. Display is off and blank....suggestions?

I understand. Yes made changes for battery. Hopefully someone can help. I spoke with the seller and they said they will exchange if I cannot figure out...

Hi thanks for the response. Its reads 23.5. I just connected it to main power thinking that same thing. Daily is less than 1kw but my kids left the fridge and lights on after a party. I have had it since May 2020.

I have had it on main power for some time now and volt meter on byd still reads 23.5....the mpp is not on yet

Thanks will for the e-manual

Ok I will try that. 2 panel in series then 2 parallel to get 24v. Been working since may.. I purchased from maximumsolar_us on Ebay.

Ot oh, what u mean by 'here we go again?" Volt meter shows 23.5 on display

The screen does not turn on so cannot see what the mpp is recording

Lol u would think since they call them 12v panels they would be. I really appreciate your advice and guidance.

Paper manual to mpp or panels? I have mpp not panels anymore

Ok disconnected all wires. Reconnected battery and it did not turn on. The byd display shows 23.5....

I don't have a multimeter but will pick one up tomorrow. Yes been running perfectly since may.