Ricky Posted November 6, 2017 Share Posted November 6, 2017 Hi. I am very novice with the inverter software. Use Inverter for camping. Need it to run from AC, generator, solar pannels and battery bank - have 4 x 12v batteries. 2 x in serie to give 24v and then in 24v paralel. My problem is that Inverter work properly from 6900kpa generator but does not charge the battery bank - even with zero load. I installed U1 15.60 firware. Quote Link to comment Share on other sites More sharing options...
Ricky Posted November 6, 2017 Author Share Posted November 6, 2017 When camping, I would like to hook-up solar pannels that provide enough watts for the fridge. If I need more watts now and then, it is Ok if Inverter draws extra watts from battery bank. Idea is that Solar pannels provide max amps and limited watts. I intend using generator to top up the batery bank so they last through the night. Quote Link to comment Share on other sites More sharing options...
Ricky Posted November 6, 2017 Author Share Posted November 6, 2017 My novice reading on the subject points to installing the right firmware. I have the 72.70b in mind. Please help before I blow-up something - lol! Quote Link to comment Share on other sites More sharing options...
Chris Hobson Posted November 6, 2017 Share Posted November 6, 2017 Hi Ricky The 72,70 firmware is for the 4kW 48V version and will definitely not work on a 3kW. A earlier version of the 4kW firmware did have trouble with generator power but it since has been resolved. Program 3 should be set to APL rather than UPS. I was with a client last week and she was having trouble with a generator charging batteries. What we noticed is that the gennie is on the older side and tends to "hunt" (revs go up and down) if it is not under load. So she ensures that there is enough load and then the gennie behaves itself and voila charges the batteries. Riaanh 1 Quote Link to comment Share on other sites More sharing options...
Ricky Posted November 6, 2017 Author Share Posted November 6, 2017 Thx Chris. Quote Link to comment Share on other sites More sharing options...
Ricky Posted November 7, 2017 Author Share Posted November 7, 2017 Will 72.40 work with Axpert 3kW? Quote Link to comment Share on other sites More sharing options...
Chris Hobson Posted November 8, 2017 Share Posted November 8, 2017 10 hours ago, Ricky said: Will 72.40 work with Axpert 3kW? No unfortunately not. The only 3kW unit's firmware that I have found is a Czech site. It is old though. Are you still battling with the gennie? http://www.ostrovni-elektrarny.cz/index.php?page=podpora Quote Link to comment Share on other sites More sharing options...
Ricky Posted November 9, 2017 Author Share Posted November 9, 2017 Hi Chris. The Genie runs perpectly through the inverter, which previously it did not. But it does not charge the batteries. The 51.60 firmware made huge difference. I have an idea the older firmware fits my small scale camping setup much better - simplicity. I cannot get the secondary charger firmware loaded - not picking up the com 1 port. Got cable today which hopefully allow me to install the charger firmware. Quote Link to comment Share on other sites More sharing options...
Chris Hobson Posted November 9, 2017 Share Posted November 9, 2017 1 hour ago, Ricky said: The Genie runs perpectly through the inverter, which previously it did not. But it does not charge the batteries. I presume Program 16 is set to CUT. Quote Link to comment Share on other sites More sharing options...
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