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Question 12000 XP Solar input voltage

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Topic starter
(@mike-hurd)
New Member
Joined: 3 days ago

Hey everyone. I'm new here and hoping someone can help me with a problem I'm having with my solar inputs.

I have a 12000XP with 2 Identical strings of panels connected to each MPPT. PV1 typically runs at 220v to 250v depending on sun exposure which is correct according to the panel spec sheet. I just finished connecting PV2 two days ago and all day yesterday it only ran steady at 120v right up until the battery (one indoor wall mount) was almost full and then it jumped up to the same correct voltage range as PV1 and stayed there until the sun went down. Now again this morning PV2 is at only 120v while PV1 is at 220v. I'm assuming this is an incorrect setting problem but not sure where to start. I've also included a screenshot from EG4 monitor center below.

 

 

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1 Reply
EG4 Eric
Posts: 440
(@eg4eric)
Reputable Member
Joined: 8 months ago

@mike-hurd

Welcome to the EG4 Forum!

This is a known issue, and the way to resolve it is by updating the inverter to the latest firmware version. Let me know if you need help with the update process.

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