cjackg
Solar Newcomer
Posts: 17
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Post by cjackg on Jan 23, 2020 23:11:31 GMT
On 2 occasions I have returned after several hours to find my ROVER 30 had discontinued charging the battery bank even though there was plenty of sun. There was no error indication and the Rover display looked normal except for no PV charge input shown.
In one case the batteries had dropped 35ah as there was a Freezer and several chargers running at the time.
When I switched the master cutoff for the panels and then turned it right back on everything cleared up and the ROVER resumed charging as nomal.
I know I may be nearing the limits of the Rover 30 but with limited winter sun I don't think I have been close. The highest charge input I have seen so far was 22.5 amps.
Could exceeding the Rover limits cause this type of situation?
Anyone else had this type of situation?
My configuration is: 4 x Renogy 100ah AGM batteries (12v), ROVER 30 Amp with BT-1 & RNG Battery Monitor, 4x 100w mono panels, in parallel.
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Post by tattoo on Jan 24, 2020 0:19:23 GMT
Could exceeding the Rover limits cause this type of situation? Yes sir, It sure could happen in cold weather......... You are over loading your system................ On both ends I'd be willing to bet............ |
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cjackg
Solar Newcomer
Posts: 17
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Post by cjackg on Jan 24, 2020 0:45:34 GMT
Could exceeding the Rover limits cause this type of situation? Yes sir, It sure could happen in cold weather......... You are over loading your system................ On both ends I'd be willing to bet............ Anything to offer than a quick draw opinion ? Like, what does the Rover do when stressed ? (The Renogy spec on the Rover 30 clearly states: Max Solar Input Power: 12v @ 400w )
2400w.... |
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Post by tattoo on Jan 24, 2020 2:08:31 GMT
Anything to offer than a quick draw opinion ? Like, what does the Rover do when stressed ? (The Renogy spec on the Rover 30 clearly states: Max Solar Input Power: 12v @ 400w ) It will do all kinds of things......... I know that doesn't answer you question, but it will also depend on what all of your Rover limits are set on......... Do you happen to know how they are set? |
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Post by tattoo on Jan 24, 2020 4:20:23 GMT
Anything to offer than a quick draw opinion ? Like, what does the Rover do when stressed ? Not a quick opinion at all.......... You didn't ask what does it do you asked if it could happen.......
I still say more info is needed about what your setting are set at........ I think it's shutting down because it's supposed to...........
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Post by bupkis on Jan 24, 2020 12:31:14 GMT
you should be able to over power the rover with no issue, any chaging in excess of 30 to the battery should be clipped.
Having the panels disconnect is not normal, I would probe with a volt meter the panel input wires if it happens again.
If you measure ~20v then something is amuch with the controller, if you measure no voltage then the panels are not connected.
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cjackg
Solar Newcomer
Posts: 17
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Post by cjackg on Jan 24, 2020 14:47:16 GMT
you should be able to over power the rover with no issue, any chaging in excess of 30 to the battery should be clipped. Having the panels disconnect is not normal, I would probe with a volt meter the panel input wires if it happens again. If you measure ~20v then something is amuch with the controller, if you measure no voltage then the panels are not connected. The settings in use on the Rover 30 are the defaults for GEL batteries, as advised by RNG for their 100ah AGMs. There is a 30amp Fuse on my main PV circuit and it was never tripped. When the problem occurred, Rover display showed all the normal data, but with zero volts & amps of PV input. The days when this situation occurred were bright sunny with lots of PV input and the batteries pretty much fully charged at the start. I guess some limit of the Rover was exceeded but with no diagnostic input or trail pretty hard to pin down. I am getting ready to upgrade my Controller and am going to make sure I get one that offers more data! Thanks for the comments.... |
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Post by bupkis on Jan 24, 2020 15:39:59 GMT
its clear the CC 'thinks' the panels are not connected, but are they? ie is there voltage at the panel input screws?
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cjackg
Solar Newcomer
Posts: 17
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Post by cjackg on Jan 24, 2020 16:02:28 GMT
its clear the CC 'thinks' the panels are not connected, but are they? ie is there voltage at the panel input screws? Next time it happens I'll find out for sure.... |
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