Calibration error on PV current.
Sunsynk -8K-SG01LP1-EU
Firmware M5.3.8.4/S
The chart above shows the PV1 (yellow) and PV2 (blue) current levels on a day with very little solar, there is an obvious calibration error on PV1 as it shows .5 to.6A current even at night. This effect is present even with the solar panel inputs disconnected. I have had a support ticket open for over 2 months, firmware updates have been carried out, but without improving this error. Does anyone have similar problem or had a problem like this resolved? The error results in an excess solar production figure of about 2Kwh a day.
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It's very simple, sunsynk themselves don't really know anything about the inverter (inverter is made by deye and sunsynk just rebadges it). So they give you a list of things to test in hope one of those things is going to be "wrong" and that eventually you give up.