solar power not getting past controller
BJ_OR Posts: 11Registered Users ✭✭
I have set up 6 100 w (12volt) Grape Solar GS100 panels flat mounted on the roof of my Motorhome Via parallel connection + to+ all six are in pairs so three separate wire runs to rooftop combiner box using buss bars again still parallel. This has a single rune down to the Shunt -side and a catastrophic fuse on the + side then to the controller via a cut off switch. I also have a tm2030 monitor and a sc2030 controller... I previously had a Morning star 45 pwm that I had trouble with overcharging (sending about 16 volts to the batteries ) that I couldn't get to stop.(That's another story) I wanted to go with the bogart controller so i just changed. So after that set up on what I have .... my problem is this
All worked great until the bedroom mechanism cut the phone cable control wire to the TM monitor. I rerouted and replaced the cable.
the monitor works but wont see solar volts and neither will the controller show any amps flowing to the Batteries ..either connected to the monitor or not (removed the phone line com cable for stand alone sc2030 operation). . I replaced the controller( I have another place to use it. ) thinking something was wrong with it but i get the same results. The monitor works great showing the inverter charger amp input etc
I have a voltmeter that shows 20.+ give or take volts at ea panel separately. (normal?) and at the combiner on the roof and at the on off switch and at the controller input .. until I turn the controller on it cycles then shows no voltage in. Basically the reading when on is the battery current Volts and the Monitor shows no amp change. Ralph from Bogart suggested the controller was showing no solar input and that the panels might be the problem He suggested that I try connecting the panels directly to the battery and look for amp use drop and I did so with 2 of the panels and saw a immediate drop in the amperage draw on the batteries.
At this point my limited Knowledge is stumped. I've pulled panels one by one thinking one was a problem ,I've checked wiring to insure its correct, It has to be in the panels,but All 6? How do I check the panels other than what I have done. Any other Ideas ??