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I have the same and it's not charging either. It charges with 2.5A My conclusion the controller has failed.

David Rojas I bought two of this model. Both worked for a week then stopped working. After contacting and troubleshooting them with manufacturer, Both have same problem; low quality CMOS chips and bad / low quality internal cooling design.

This inverter, we have stopped production, and now upgrade the power to 1400w. For more information and technical information, please contact me at WhatsApp +8613927402025

Hi bedankt voor je reactie leuk dat je reageerd. Hi ik heb de WVC1200 gehad en deze gaf de geest na 70KWh. Ik woon in Mexico en het net doet hier nog als eens raar, zoals halve net spanning. Mijn vermoeden is dat dit niet in de spec mee genomen was. Je Soladin is van mastervolt en niet te vergelijken wat prijs betreft met een chineese inverter. Dat deze wat betreft rendement hoger is lijkt me te verwachten. Wat ik ook weet is dat het vergelijken van efficientie curven ver beneden het piek vermogen nog al kunnen afwijken. Als ze wilt vergelijken dat zul je ze op 80% van hun vermogen moeten meten is mijn idee. Groetjes zover

This inverter, we have stopped production, and now upgrade the power to 1400w. For more information and technical information, please contact me at WhatsApp +8613927402025

+Edwin de Dios Thanks for responding, its appreciated. Can you send me an email I would like to ask your some more questions off line. I understand that the three faulty ones had problem communicating with the monitoring software. I assume that the inverter functions did work as normal? The piek power depends on how many sunshine you have and the system efficiency. Any idea how strong the sun is shinning this period of the year. can you let me know this Oscar Goos

+Fam Goos Hi, I received already the new replaced inverters from Mars Rock supplier. I installed the units and checked the monitoring system and it's working pretty well. There is still typhoon here in Manila and it's shady but still producing 1.4Kw of power from my 16x300watt panels 4 wvc inverters. Will update here the actual production when the sun is at its best when there is no clouds in the area.

+Edwin de Dios , Hi Edwin, good to hear that you have received your inverters and that they seem to work well. I saw on the news that the Philippines go through a rough time right now. I hope your panels stay on the roof. If you can give me numbers of production on a clear day I can try to see what the efficiency is. I need for that the solar irradiation for that particular day but I will see if I can get that form some were. Keep in touch.

Hi, no more storm and the inverters are working fine. As of 11am I'm generating an average of 740watts per 4x300 panels per inverter. Sample output is pv input 22.36amp voltage 33.03 power 738.77 and inverter output is 2.89amp 251.32vac and 721.57 output power from 1 inverter. There is 1 inverter which is only producing 479w and output power is 489w. I don't know if there is a problem with the solar panel connected to the inverter and it's hard to say which panel coz all are connected to 1 inverter.

+Edwin de Dios Hi ewin, i have seen you video at your channel. A small summary of what I already told you. The software seem to have problem contacting the 4 inverters although the software does measure. The total energy produced as function of the time doesn't show up. Now a positive thing, your inverter seems to receive 739Watt on DC power and produces 722Watt out put power. That is 97% efficiency, that more than the spec says. I how that you haven't bought a volkswagen because this one also had problems producing the correct numbers. That one of your panel inverter combination seem to have a problem is because you can see it by the software imagine all installation which don't have that. keep me posted.