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<div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">This thread seems to have died ... somehow it got mixed in with the "strings of different orientation" thread. If anyone has further input I would very much appreciate it as I have to schedule a long trip to remedy this and want to have as much ammunition as possible. Again, to restate the problem:</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><blockquote type="cite"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">an Outback VFX3524 inverter installed on an E-panel in a remote off-grid location. Voltage at the inverter input terminals is fluctuating between 110 & 140+ volts continuously. AC in will not connect so batteries can't charge. Output voltage measured at the inverter output terminals is steady at 122v. When all household loads are turned off the input terminal voltage stabilizes but AC In still does not connect.</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Generator does not seem to be at fault as output measured at the gen. is stable even under load. System was working for about 1 1/2 years but under new ownership has been badly monitored and batteries have become totally discharged.</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">I'm trying to determine if this is a circuit board problem so I can perform a rescue mission by pulling some boards from an in-stock inverter, Outback tech support are on holidays. Anyone had a similar problem? <span class="Apple-tab-span" style="white-space:pre"></span></font></div></blockquote></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Helvetica; min-height: 17px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">Mick,</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Helvetica; min-height: 17px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">referring to</font></div> <br><blockquote type="cite"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">there's not an auto-idle switch on that genset which may have accidentally been set for auto, is there?</font></div> <br></blockquote><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Helvetica; min-height: 17px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">His generator was actually running in idle mode, operating the household loads when I got there and the first thing I discovered was that the voltage was ~90 volts coming in to the inverter. I manually switched the generator to full speed and then checked the voltage again, that is where I found the rapid fluctuations occurring at the inverter.</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Helvetica; min-height: 17px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">Ron</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Helvetica; min-height: 17px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">On 27-Dec-08, at 1:23 PM, mick abraham wrote:</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Helvetica; min-height: 17px; "><br></div> <br><blockquote type="cite"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">Ron wrote: "The owner told me...that someone had wired a switch incorrectly</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">and when he turned it on the system "shut down". He then re-wired it and</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">everything appeared ok but I'm wondering if this fried a board."</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Helvetica; min-height: 17px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">Mick replies: I've seen several times with Outback and other brands (going as</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">far back as the Trace SW) where the inverter responds to an accidental short</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">circuit in the household wiring by shutting itself off quicker than a circuit</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">breaker can open. I'll bet that is what your customer experienced...possibly</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">due to a nicked hot wire in that new switch box shorting out to ground.</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Helvetica; min-height: 17px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">I suspect that (part of your customer's report) is completely unrelated to</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">your present problem scenario. If it was my headache I would beg, borrow,</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">or...rent a second generator to insert temporarily instead of the Honda 3800.</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">That's the most conclusive way to determine fault or no-fault on the generator.</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Helvetica; min-height: 17px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">Sometimes a genset will operate non-inverter loads OK and will exhibit normal</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">looking voltage etc. but there still could be transients or spikes which</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">render this input AC power unacceptable to the inverter/charger.</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Helvetica; min-height: 17px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">Thinking...there's not an auto-idle switch on that genset which may have</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">accidentally been set for auto, is there?</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Helvetica; min-height: 17px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">Mick Abraham, Proprietor</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">www.abrahamsolar.com</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">Voice: 970-731-4675</font></div></blockquote><br><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><blockquote type="cite"><blockquote type="cite"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Hi Mick & Jay,</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">I disconnected the gen. line to the inverter and tested the output and got steady voltage. I then re-connected the inverter and tested the gen. output from a different outlet and got steady voltage, both around 122v. So I've ruled out the generator. It was my first suspicion.</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">I have also noticed that when the household loads are off the inverter output appears stable, doesn't fluctuate except about every 20 seconds inverter audibly, the voltage drops from around 120 to 110 then resumes - as if the input was momentarily dropped.</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Darryl,</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">I did play with the AC charge current lowering it to around 5 aac but it didn't seem to make a difference. The owner told me, as an afterthought that someone had wired a switch incorrectly and when he turned it on the system "shut down". He then re-wired it and everything appeared ok but I'm wondering if this fried a board. I know there is an ac control board in there ... could this be it?</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">BTW, it's a very small generator, Honda 3800.</div></blockquote></blockquote></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Ron</div><div><br></div><blockquote type="cite"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Helvetica; min-height: 17px; "></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="4" style="font: 14.0px Helvetica">_______________________________________________</font></div><div style="margin-top: 0px; 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