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I have 2x Phoenix Inverters 48/5000 in parallel with 2x BlueSolar MPPT 150/70 to charge a BYD lith bank, The batteries was run to 95% flat and system switched off (this was during night time). Inverters and BYD and CCGX turned off, next morning MPPT still on and charging BYD bank, but system stays switched off. I have switched everything off and back on but system stays off. Any help???
Did the CCGX turn back on? If there is anything happening at all it should, as it can run from a very low voltage. I suspect the BYD BMS has switched off, not letting anything through to the inverters or CCGX
I have tried putting the batteries back on but the lights go on and after 2min it goes off.
Sounds like the batteries BYD BMS is turning off due to low voltage, so you will need to read the BYD instructions. on how to get around this.
maybe contact the installer ??? as the BMS has turned off to protect the batteries I SUSPECT
Thanks for the help, will try to charge the batteries.
