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Hello Im having trouble getting this inverter to work. It will power up but as soon as you put a load on it the alarm will go off and with in 10 seconds it will shut down. I replaced the cpu and driver 2 times and still have the same issue. I have 3 wires coming off the transformer and attaching to what i think is the charging system and only 2 of them have roughly 115 volts. The attached pic with the blue circles is where the 115 volts are. When I apply a load the 2 wires that have 115 volts ( the 3rd wire has nothing) will drop in voltage and become erratic. All conections seem tight and secure. I dont use the charger on this unit so if I can bypass it that would be fine as well. Please help
thanks
sam
I replaced the cpu and driver 2 times and still have the same issue
I go back to your post on july 28 . Look like you replace the rev 10.3 control board with the bad MCU with a new rev 11.1 control board . Your new picture show the green LED working but has problem . Your output and charger board show 115 vac . My 15kw powerjack do not have charger board and is wire different . I will open my powerjack and get back to this post later . Your charger board may be damage on july 28 and need to be change with a output board that has no charger board . I have many bad parts I buy from ebay but never complain or return back to seller .
thankyou for getting back with me so soon. As you can see I have been trying to get this fixed for awhile now. I took some more pics for you input on. The blue circles represent 115v roughly and red is none. The red is coming off transformer. The mosfet lights are on and I see 2 led lights on cpu and one on driver. The newest cpu and driver came as a set but the driver light didnt light up so I replaced it with on that lights up but it did not make a difference.
thanks
sam
