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diy solar

error 16 on growatt 48v spf 3000 tl lvm

Cesar1963

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Joined
Aug 10, 2022
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hi, I have 2 growatt 48v 3000 tl lvm units wich I set up on split phase to get 240 vac. They work fine when running on solar or batteries. But when i hook up the utility generator it keeps showing error 16 . I have try using 10 awg and awg 8 wire when connecting the generator but no succes , I have review the ac frecuency on the generator and it is running 60+-1 hz, any leads?
 
My Growatt manual doesn't show an error(or fault) code 16. It does show a "warning code" 16 which is "parallel input phase error". If this is what you mean:
Does the generator output split phase 220(240)?
If so...is each Growatt hot input wired to a different phase?
 
Hi, my generator is a 240 v ac split phase.
Right each growatt is wire to different phase. This weekend I remove the short from ground to neutral on the generator but still same problem
 
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