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Krzysiek_KTA
@krzysiek_kta
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Joined: December 15, 2024 4:06 pm
Last seen: November 6, 2025 7:44 pm
Topics: 3 / Replies: 41
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EG4 14.3kWh indoor wall mount battery BMS comms issues - resulting in blackouts, power blips, and charging restarts - SOLVED!

Good News,   It seems that the Wall Mont battery BMS comms issues causing inverter stop 'seeing there is battery" when set up in Lithium type...

4 days ago
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RE: EG4 14.3kWh indoor wall mount battery BMS comms issues - resulting in blackouts, power blips, and charging restarts

A positive update, Today I decided to look again at my setup and search for any more error logs in addition to what I have already reported. I...

1 week ago
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RE: EG4 14.3kWh indoor wall mount battery BMS comms issues - resulting in blackouts, power blips, and charging restarts

I was told yesterday to do cold restart of entire system including BMS, which I did and ... No change. The comms from Wall mount battery BMS to inve...

2 weeks ago
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RE: outage blips Flexboss21 + gridboss21

Indeed ppl have issues with indoor Wall Mount batteries comms. See the latest results of trying to fix it: It looks as systematic BMS comms iss...

2 weeks ago
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RE: EG4 14.3kWh indoor wall mount battery BMS comms issues - resulting in blackouts, power blips, and charging restarts

@eg4eric I have just updated the BMS firmware to the latest. Connected the BMS tools and checked all - see below: YET, When a...

3 weeks ago
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RE: EG4 14.3kWh indoor wall mount battery BMS comms issues - resulting in blackouts, power blips, and charging restarts

@eg4eric Have received the cables and took a chance to update Wallmount battery BMS to latest firmware. All went well with update - che...

3 weeks ago
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RE: Uninstalling Mini-Split for Warranty

Well, I managed to diagnose the issue with EG4 remotely - the main control board was found faulty. Had it replaced twice and eventually RMA entire o...

2 months ago
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RE: Uninstalling Mini-Split for Warranty

I had my mini split RMA replaced (outdoor unit only) . I had the same concern with pre-charged line set. Therefore I talked with the vendor and made t...

2 months ago
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RE: EG4 14.3kWh indoor wall mount battery BMS comms issues - resulting in blackouts, power blips, and charging restarts

@pawnee the following thread relates to run the battery in Open Loop (Lead Acid) mode. My charge setting are set up accordingly - Its not idea...

2 months ago
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RE: EG4 14.3kWh indoor wall mount battery BMS comms issues - resulting in blackouts, power blips, and charging restarts

@eg4eric Thank you for the response. Looking forward to receive RS232/usb kit to update the BMS firmware. Brgds K

2 months ago
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RE: EG4 14.3kWh indoor wall mount battery BMS comms issues - resulting in blackouts, power blips, and charging restarts - Is BMS firmware update needed?

@EG4 Eric Above is the snapshot of Event Log from my replaced 6000p indicating when the Wall Mount Battery BMS problems started. As mentioned befo...

2 months ago
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RE: Warning 27, 6000xp with 289AH wall mount battery

@ronster I was told by SS tech that Lead Acid Battery mode is an open loop communication mode (manual mode) and aside some lost functionality (lack...

2 months ago
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RE: HELP : 12Kpv monitor shows 132V but 0w = not charging batteries from PV

With the battery at 99-100% SoC there is no place to power to go, so PV array does not produce power. Turn some loads on and you will see the PV pro...

3 months ago
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3 months ago
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