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Growatt inverter fault 4 - help needed

mainersolar

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Joined
Oct 21, 2021
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After working all day, last night my inverted started beeping at 1:30 with fault 4. It's a growatt spf 3000tl lvm es. My battery shows 58% charge and currently 45.4v so that seems odd.

I'm off-grid and no customer support on Sunday and leaving for home this afternoon so would appreciate any advice! Could the inverter be bad? I've used it for about 4 months previously with no problems. Thanks!
 

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Last edited:
I have Growatt SPF 5000 ES. The same thing happened to me. After turning on the LED light in the house, the converter (Battery SOC 89%) switched to the Code 04 error. According to the manual, it is a BMS error. How did you solve the problem?
 
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