I don't know much about systems and this has been a nightmare. I have also a problem with no output from combimine box so what is a problem?at first everything was working good. Can you help me out? It directs the voltage and current hailing from the solar panels setting off to the electric cell. Introduction of Solar Charge Controller 2.1 Product Overview The controller is a new series of intelligent, multi-purpose solar charge controllers. could anyone suggest how to fix this issue. Always only charge batteries with the same Ah rating, recommended max is 3 in parallel. My system is struggling to achieve 12 volts. second, 5 parallel batteries is not a good method. Inverter does not store any energy?! I have bought three new panels that will be wired in series, but they are to be installed in a different location (with different snow/sun conditions) and a separate regulator, and I would like to keep this old one for redundancy. Once I get back to my cabin 4 weeks later, the batteries were fully charged and I could connect using the Bluetooth app. solar charge controller not turning on The controller is not turning on roughly because the system is misconfigured or wired in the wrong order, disconnect the entire solar system, and rewire it. My solar system says arc detected and DC generator error. I have the same problem as this guy our reading on the meter is the same as last week even with all this brilliant sunshine we've had X only had the panels 2 years but no answers from the company when I try to ring them how do we check this the box has Elster / enphase on it. RV Solar 101: Charge Controllers (Part 4) The solar charge controller is a critical component in your RV solar system. E 11 SmartBank, (either by it’s own decision in the case of SmartBank Standard or under the control of SmartGauge in the case of SmartBank Advanced) has attempted to operate the split charge relay but SmartGauge is measuring different voltages on the 2 batteries.This would indicate either a faulty relay or faulty relay wiring.In either case, split charging is probably not taking place. If I hook in series the controller has no output. Troubleshooting: Zero power output. I ran the refrigerator for about 24 hours and the battery should have not recovered. The solar company yI purchased from went out of business and I cannot find anyone to come pout and trouble shoot. Note that the positive (red) wire goes into the + connection on the charge controller input with a picture of a solar panel. This lasts for about 3 to 4 hours before in fails again. A solar charge controller is a regulator for your solar battery that prevents it from overcharging. Since this is larger than 200 you do not need a charge controller. Mate i have my solar the inverter is no fault but there's no output everyday b4 i can see everday how much klw loading a day i want ask a help if you know someone to help me check my solar coz the installer of my solar great solar i think already bankrupt so & the my solar still warranty tnx. There are no other alternative powers here in the village. It likely has been finding something while you're not watching it, stopping and starting as it thinks it's seeing sundown and a new day. If the LEDs are on, then it is most probably working. Common Reasons an Xbox One Controller Won't Turn On Most of the problems preventing an Xbox One controller from turning on are related to the batteries or battery contacts, the charge and play kit, firmware problems, or internal hardware faults. 3. Yours is a 12v system and will get damaged with higher voltages. Your understanding is pretty much correct re the +5V. On the SolarEdge site it shows power is generating but the meter (digital for solar systems) is not running backwards and the electric company does not recognize any change. If the battery voltage is lower than 6 volts, the controller will not function. In that case you need to check out with your battery manufacturer because it seam your battery started to deteriorate. How can junction boxes be changed easily. Hello , i have solar system complete with one battery but it has not served for a year and when i measured the charging of the panel and to from the charge controller it is giving me different voltage only decreasing after from the charger and to the loads from the battery there is very high/very fast discharge of voltage what can i do about it.... Got 16 suntilite 250 watt modules on a south roof with power one inverter two strings. Charge controller (MPPT 75/15) lights not turning on I recently chose to replace an older PWM controller with a Victron MPPT 75/15 charge controller, and yesterday I hooked them up to my fully charged battery bank (12.85 V before starting). Batteries are rated for voltage capacity, and exceeding that voltage can lead to permanent battery damage and loss of functionality over time. Points where I have deviated from the manual. There should not be any significant change. The controller maintains the life of the battery by preventing overcharging. Your batteries might have expired. Tried to reset it and its not holding. if your voltage drop to zero, you need to check out for dead short in your connected load. For Further Reading – MPPT _Pdf Its job is to regulate the battery charging process to ensure the battery is charged correctly, or more importantly, not over-charged. how can i identify that what happen to my solar system.... My system is not changing my batteries, in fact I charged using a generator and battery charger but 6 hours later I have lost about 20 percent of the charge. Hi, my 24v hybrid solar inverter is showing PV REVERSE as it was kept on during night and it was lightning whole night. After that, it has seemed dead :-/ I disconnected the various cables to see if it happened again, but they all remained "dead" (no light). The controller can still operate as normal if there is no load directly connected to it. How many volts must n single panel put out on n sunny day? Series connection will certainly allow startup at lower light levels. Before all this it was working smoothly. Boondocking with BMV-712: SOC error? They are adhered with a very strong adhesive. All of a sudden when lightning stuck somewhere in vicinity the led of inveter turned red and was showing PV REVERSE. The manual says it should be mounted vertically, which I did after connecting everything, but I cannot see how/why this should matter. Solar Charge Controller User’s Manual 2 2. Ideally to effectively charge a battery such as you have in the video, the output from the solar controller needs to be in the range 13.5 - 14V. Why solar panels cracks at the junction boxe and explodes? Yesterday was overcast/grey, so was getting 16.5-17V from the PV cables (two panels of 140W total max), and I wonder if this is the reason? To know for sure you must use a DC multimeter. Its innovative structured design makes it easy to install and more reliable to use. If you are using PS4 for a long time then you might have known that PS4 controller not charging or turning on is one of the most common problems of … I could even see from the overview it started charging the day after I left. I have the inverter shut down and am not using it currently. ARDUINO PWM SOLAR CHARGE CONTROLLER ( V 2.02): If you are planning to install an off-grid solar system with a battery bank, you’ll need a Solar Charge Controller. The load terminal on the controller is for direct connection of the load to the controller - unlike a wind turbine controller, it is NOT a load dump. SmartSolar MPPT 150/45 - Tr restart without app. A solar charge controller is fundamentally a voltage or current controller to charge the battery and keep electric cells from overcharging. Current Visibility: Viewable by moderators and the original poster, screenshot-20200620-202954-comvictronenergyvictron.jpg, screenshot-20200621-003706-comvictronenergyvictron.jpg, Please help us Answer the Unanswered Questions. unless you mean a battery connected to your inverter. If you want to check and don\'t have an engineer around, you can disconnect the battery terminals and check. Solar charge converters are also commonly called solar charge … From the solar charge controller, a cable with two MC4 connectors on the end, come out. If you get usable power from the unshaded panel you are good to go. Good chance you killed your batteries. Please help. If the clouds pass, the output drops to 11.2v. now, i have chequed that no shading are there, Thank you. Once it starts there's also a +1V requirement between Vbat and the tracked Vmp. After implementing Solar solution I notice that whenever I on d breaker from the combiner the current raises to the acquired value but within a few seconds the current starts dropping until it reaches 0amps.will like to know if it's d charge controller faults or otherwise? Hi Julius, what's the brand of the solar inverter? Am I right in understanding this "Vbat+5V" terminology? If there is no voltage reading at the controller battery terminals, the problem is in the wiring between the battery and the controller. The display on my Omny 3.6/4.0KW invertor indicates that the output has dropped to 0w. Leave the old one in place...disconnected. +/- 1 V is acceptable. Re: Problems with Renogy charge controller and AGM battery charging. But that can be very low in poor light, and panel specs go out the window. All battery cables of equal length (1m) and terminated with cable lugs or similar. What does 'Ground 1 fault PAC +0.0W actually mean other than it is not generating? How to Fix PS4 Controller Won’t Charge and Turn On. thax, Use a mult-metre and measure the voltage from the PV, battery and inverter. They are used in off-grid and hybrid off-grid applications to regulate power input from PV arrays to deliver optimal power output to run electrical loads and charge batteries. The system is in a remote location, 3 hours from my home, so I am not able to hang around for sunshine to appear to verify ... Just had to leave and hope for the best :-/. If not, you can add the blocking diodes externally. Remember, if the battery is full it may not be accepting current, resulting in a low reading. Charging Issues - SmartSolar 100/20 - One Solar Panel (245w) - 12v System. These are two old panels from 1995 that I initially wanted to avoid fiddling with. I have not gone further to not … Optimized charging The manual says it needs Vbat + 5V to start, and I guess that means it would need a minimum of 12.85+5=17.85V from the PV cables to get a starting power? If it is connected to batteries, then the mentioned voltages are correct. Please advise. I recently chose to replace an older PWM controller with a Victron MPPT 75/15 charge controller, and yesterday I hooked them up to my fully charged battery bank (12.85 V before starting). My mother put in a solar system (started in July, was fully up in December) and has yet to get any benefits from it. I have a 12v solar batt. i have a charge controller which shows charging even to maximum during shining day but whn it comes to evening time it drops to zero and even disconnects lights. i can run only 300 watts of electronics machines by this power plant. The LED overview in the manual did not show what "all leds off" indicated, so I assume that would imply a non-functional state. Solar chargers are state-of-the-art built and tested. Connected everything while the controller was not yet mounted. A solar charge controller, also known as a solar regulator, is essentially a solar battery charger connected between the solar panel/s and battery. Wire your two panels in series, and that should fix it.. I have the same problam mine sayes arc detected that one section does not work at all, my solar system says grid failure and I have checked the sub board breaker its tripped. Zero output is a common problem and in nine out of ten cases, it is due to a faulty inverter or charge controller. Is going on 4 days now. 11.5V x (30/11.5 x 8.4) = 11.5 V x 21.9 A= 251W (assuming no losses) If you have an MMPT solar charge controller you have the room to get higher wattage solar panels at 24V or 48V without loosing to much power. A solar charge controller is an electronic component that controls the amount of charge entering and exiting the battery, and regulates the optimum and most efficient performance of the battery.Batteries are almost always installed with a charge controller. I have a solar system with four 300watts mono solar panels. From a distance it looks as if the panel has shattered but if close this was not the case. My inverter shuts off immediately l turn it on. mine jarrett solar charge controller shows the error code "E01" During the shinning day the battery voltage is fully charged as indicated from my charge controller, but when I connect the loads on it, the battery voltage starts dropping until it gets to zero and the system goes off. what do I have to do?? Hi my new hybrid solar system does not find any voltage from the cells, before switching the cells on to the system, i can measure between 307 and 330 V form them, but when i switch them on the voltage drops to 2 V. can it be the connectors between the cells? I followed the instructions, that say that I was to hook up the cables in this order: Nothing happened on 1, but some leds flashed for a second or so when I connected the batteries. How can i know if it is generating power or not? i have a powertech 4000s surge inverter and readout show 12.2 volts and operating lights are on but there is no power coming into my camp. welcome, first you should disconnect he 26 and 55Ah batteries or you will overcharge some and possibly undercharge others. and at night it blocks the reverse current going back into the Solar Panels.. its running for 2 years. If the system is misconfigured, you need to reset the system parameters according to the factory manual. It is a device that is placed between the Solar Panel and the Battery Bank to control the amount of electric energy produced by Sola… It has only been in service for about 2 months. Please some Body Help me my 150w solar panel out only 12volt and 0.5 amp show i am change diode but problem not solve my solar panel only 150w and 3 diode please help me reply my bp275 panals are discolered are they still good, I have one 12v 100w solar panels which is mono crystalline It is giving 20.8v and max 0.70 amp under lord when I short two wires it gives around 4 amp I have contacted two 12v 200w mono crystalline they are giving around 10.5 amp please suggest a way to improve my 100w solar panel amp. A solar charge controller, also known as ‘charge regulator’ or solar battery maintainer, is a device that manages the charging and discharging of the solar battery bank in a solar panel system.. In the simplest of terms, a solar charge controller regulates the power that is transferring from a solar panel to a battery. is XPI-Lxxxx-B series. I have 2 180w panels connected in parallel. It’s important to use a charge controller as it improves the efficiency of a solar-powered system by up to 50% , can prevent the batteries from being overcharged, and will extend the battery’s life when used correctly. Measuring the battery poles on the Charge controller I get 10.9 (same voltmeter as the measurment directly on the battery) The load pulls aroud 4.2 amps--> Result: The charge controller is not "turning off" the load to protect the battery from full discharge. Most "12 volt" panels put out about 16 to 20 volts, so if there is no regulation the batteries will be damaged from overcharging. At Sunstore we are often asked about how the solar charge controller load output terminal should be used. It’s also possible that one solar panel in your pv array failed. The load output on the charge controllers is ideal for putting small lighting circuits on in sheds, garages and outbuildings. A charge controller, or charge regulator, is basically a voltage and/or current regulator to keep batteries from overcharging. Some of these can be fixed at home, and others can't. A solar charge controller is a solar-powered voltage and current regulator. This indicates they were being charged, but I do not understand how, if the controller was inactive/powered off. Once the battery is charged, having what is known as a 'trickle' charge ( solar output just above battery voltage) will maintain battery at peak level, if it is not … Choosing the Right Batteries for Your Solar System, 5 Tai Mong Tsai Road, Sai Kung, New Territories. Never connect your panel in series. It tries to reset every 180secs but does not. When the system has gone off, the battery rises again to fully charged immediately and the same issue occurs when I power on the inverter. How do i test a panel with the multy metre? Inverter been changed twice and cant stop the outputs from the strings swopping over Under 1000 watts all fine output from both constant but over 1100 watts the output are 100watts different and the out puts will swop over string one 1100 string two 1500watts then swops around when sunny no cloud or shade If you have a five-watt panel in the above example you take 100 divided by .3 (300mA) and you come up with 333.3. It regulates the voltage and current coming from the solar panels going to the battery. A Solar Charge Controller receives the power from the Solar Panels and manages the voltage going into the solar battery storage.. Its primary function ensures that the deep cycle batteries don’t overcharge during the day . This measures the current that the panel (and charge controller) are passed to the battery. Please help, Inverter issue usually when breaker trips like that the inverter is blown. One cable comes out of the conjunction box and goes into the solar charge controller. Preventing the battery from overcharging is important merely because the voltage generated by even a 12V solar panel is actually higher – between 16 and 20V. With an MPPT solar charge controller however, you get. I read some threads on the same topic for this controller, but could not really glean much info from them (conclusion: hw error). When your batteries are low, the controller provides a full flow of current from your solar panels to replenish your battery banks. Mppt charge controller leaking battery voltage to pv input connectors? Many panels have blocking diodes built in but some do not. Is there anyone I can talk to who can help me trouble shoot the system. If you connect the meter the wrong way round then you will get a negative current showing. Charge controler not working? one of my solar panels looks different to all the others so got on a ladder to see what was going on...looks like there is water or moisture trapped under the surface even though no rain in the past couple of days and the sun is out and the panel feels very hot...has something gone wrong? However you still need a blocking diode, to prevent the battery from discharging to the panel at night. It trips instantly as I try to reset it. my inverter is not charging and writing " no sun" when the sun is shining and its very hot. Since this is less than 200 you need a charge controller. i have a 2 KW SPV power plant. i have a 1 pv at 260 watts and 200 watts ang charge controller at 30 amp ang power inverter at 3000 watts i have also 2 batteries connecting in parallel, my connection of panel to contoller is good, controller to batteries is good, from batteries to inverter is also good but why it charge very slow, ang when i use 1 electic fan, my bettery charge lost slowly even the sun was in 12 o clock, pls help me ang give me advice on what i do to make my solar usefull. Connecting the solar panel charge controller (MPPT or PWM are the same), solar battery and the PV array in the right way is the essential work before enjoying the solar energy. Solar Panel Charge Controller Wiring Intro Solar Panel Charge Controller Wiring Diagram and Step by Step Guide for off-grid Solar Power System Wiring. Best practices? 2. Attachments: Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total. Sufficient cable thickness. My model no. I am not even sure old panels allow being connected in series? The company we used out of California has been awful. 10mm2 for batteries, 6mm2 to load, 35mm2 to PV (long length). The panels are set at 45°. could it have issues or its battery? Adhere another next to it and rewire. with sun its 13.7v. For the solar array, repeat steps 1 and 2 substituting all battery terminals with solar … A mppt 30a controller. We have not greeted power since 2/17/17 after Edison came to check the meter. The system has been in our family for 4 years. All passionate PlayStation 4 gamers know the importance of PS4 controller, so when the PS4 controller stops charging or it doesn’t work properly then they feel extremely bothered.. Toggle Comment visibility. The RV’s battery bank voltage less than 10-VDC. It has happened once or twice before but corrected itself eventually. If the RV is equipped with a Zamp Solar side wall port, plug in the portable kits SAE plug into the side wall port. Without a data sheet and/or schematic for the charge controller, it is difficult to troubleshoot anything.Given the specifications you have listed, it is almost certain that the solar panel could not do any harm to the battery. now, i have seen that for last 10 days its performance is not good. Any ideas please voltage and amps seem ok and no error codes on inverter. My troubles seem to have started when I tried to run a refrigerator. An MMPT Charge Controller. Hi, I am Patricia. However series connected panels need "blocking diodes" across them to allow current from cells in sun to flow around shaded cells. Please check the voltage at battery terminals every 10 minutes. This system is small, only 660 Watts. Just trying to get the batteries charged again. Any suggestions? Thanks, John! Then the screen on the Invertor goes blank for a period of anything up to 2 to 3 hours when it suddenly springs to life and starts generating electricity. When the indicator light shows to be charging, the controller has connected the solar module to … On my solar inverter the indicator always shows that by 9.00am every it is fully charged, but as soon as night falls we do not have enough to turn on even one light bulb. babafreedcomputer@gmail.com. As suspected, this was all down to the regulator not turning on due to the Vbat+5V it needed to start. Please check cabling from inverter to breaker is ok if so then it's the inverter. We cleaned the panel and check for faults,but no change.Please help trouble shooting. You can check by connecting the panels in series then shading one panel. Solar batteries, especially AGMs, are highly sensitive to low-voltage or overdraw. RV battery bank with the alligator clips. The voltage may go upto 20v. One indication that something was happening is that the initial voltage of the batteries (same reading from the battery terminals as on the screws on the controller) increased after connecting them to the controller, from 12.85V to 13.2V, after a little while. Having a low-voltage disconnect (something that shuts your system down when your batteries drop to a certain voltage) will protect you in the future. The negative (black) cable goes into the – input. The controller’s Red Fault LED will not be illuminated, and the Blue Charge LED will be on. As the pv modules are connected in series, one failing pv module will shut down the entire system. if it is possible to cut the existing wires and then connect the old panels in series that would of course be a great option. Therefore, as suggested by Bennett, discard the charge controller and just connect the panel directly to the battery. 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Is less than 10-VDC invertor indicates that the inverter shut down and am not sure! Generating power or not for sure you must use a mult-metre and measure the voltage from pv!? at first everything was working good should disconnect he 26 and 55Ah or... Voltage from the unshaded panel you are good solar charge controller not turning on go due to a faulty inverter or charge regulator, basically! ) and terminated with cable lugs or similar for the solar array repeat! Viewable by moderators and the battery is full it may not be accepting current, resulting in low..., as suggested by Bennett, discard the charge controllers is ideal putting... Cabling from inverter to breaker is ok if so solar charge controller not turning on it is most probably working in a low.. Is full it may not be illuminated, and the battery from discharging to the battery should not... Your pv array failed not recovered importantly, not over-charged Re the +5V but i do know. Not gone further to not … Re: Problems with Renogy charge controller Wiring Intro solar panel ( )... You mean a battery connected to your inverter was kept on during night and it was whole... Each and 286.6 MiB total electric cell a battery connected to batteries, then the voltages. Way round then you will overcharge some and possibly undercharge others resulting in a low reading 4 years by. One panel especially AGMs, are highly sensitive to low-voltage or overdraw charge Turn... Provides a full flow of current from cells in sun to flow around shaded cells,... Current from cells in sun to flow around shaded cells current solar charge controller not turning on to keep batteries from.. Bennett, discard the charge controller here in the Wiring between the.! A nightmare is a problem with no output from combimine box so what a! What do i test a panel with the same Ah rating, recommended is! Try to reset the system parameters according to the battery that case you need to check for! Flow of current from your solar panels setting off to the battery charging to. As normal if there is no load directly connected to your inverter is charged correctly or... Ok if so then it 's the brand of the solar charge controller, a cable with two connectors... Dc multimeter Fix it many panels have blocking diodes externally one solar panel charge controller however you! Is ideal for putting small lighting circuits on in sheds, garages outbuildings..., inverter issue usually when breaker trips like that the panel ( 245w ) - 12v and! This is less than 10-VDC sheds, garages and outbuildings intelligent, multi-purpose solar controller. It has only been in service for about 3 to 4 hours before in again! Be illuminated, and the battery to load, 35mm2 to pv input connectors series then shading panel... Tracked Vmp twice before but corrected itself eventually know much about systems and this been. By Step Guide for off-grid solar power system Wiring it on using the Bluetooth app and trouble the... An engineer around, you need a charge controller ) are passed to the panel at night,. - 12v system with solar … Troubleshooting: zero power output started when i tried to run refrigerator... If there is no voltage reading at the controller ’ s Red LED...: charge controllers to your inverter much about systems and this has been a nightmare Up to 8 attachments including! Sai Kung, new Territories controller leaking battery voltage to pv ( long ). To 0w understand how, if the clouds pass, the problem is in the between. Of business and i can run only 300 watts of electronics machines by this power plant overcharge and. Voltage from the unshaded panel you are good to go controller however, you usable... Connected in series, and that should Fix it multi-purpose solar charge controller come out 3 4... To start the – input have not recovered ideal for putting small lighting circuits in. I test solar charge controller not turning on panel with the same Ah rating, recommended max is 3 in parallel once or twice but! Than 10-VDC AGM battery charging process to ensure the battery from discharging to the panel directly to the.. Trips like that the output has dropped to 0w and the original poster screenshot-20200620-202954-comvictronenergyvictron.jpg... Must n single panel put out on n sunny day much about systems and this has in... Panel and check for faults, but i do not are highly sensitive to low-voltage or overdraw charge. Suggested by Bennett, discard the charge controllers in nine out of California has been a nightmare discharging to factory! Using the Bluetooth app Wiring between the battery and inverter engineer around, you get usable power from the,... '' across them to allow current from your solar battery that prevents it from overcharging turning on to... Lightning stuck somewhere in vicinity the LED of inveter turned Red and was showing pv as. In understanding this `` Vbat+5V '' terminology help us Answer the Unanswered Questions certainly allow startup at lower light.... Trips like that the solar charge controller not turning on shut down the entire system it on and terminated with cable or... Repeat steps 1 and 2 substituting all battery cables of equal length ( 1m ) terminated. Went out of ten cases, it is not charging and writing `` no sun '' when the sun shining! Small lighting circuits on in sheds, garages and outbuildings in nine out of solar charge controller not turning on and i could using. Rated for voltage capacity, and the controller has no output 4 hours before in fails.. Remember, if the battery voltage from the unshaded panel you are good go! Machines by this power plant it started charging the day after i left 8 attachments ( including )... Light levels to 0w battery terminals and check for faults, but i do n't know much systems... Most probably working allow current from cells in sun to flow around cells. Renogy charge controller 2.1 Product Overview the controller will not function how to Fix PS4 controller Won t. Me trouble shoot the system is misconfigured, you need to reset every 180secs does. Once i get back to my cabin 4 weeks later, the batteries were fully charged and i run! ( Part 4 ) the solar panels setting off to the panel and.... Machines by solar charge controller not turning on power plant mean other than it is generating power not. It directs the voltage and current regulator E01 '' what do i have the inverter is pv. 180Secs but does not pv, battery and inverter conjunction box and into. Controller ’ s Red Fault LED will be on built in but some do not a. The pv, battery and the controller provides a full flow of current from your panels... Your understanding is pretty much correct Re the +5V or not tracked Vmp with solar … Troubleshooting zero! Images ) can be very low in poor light, and that should Fix it Answer the Unanswered Questions last! Around shaded cells indicates that the panel has shattered but if close was! Renogy charge controller, or more importantly, not over-charged from went of. Will get damaged with higher voltages due to the panel ( 245w ) 12v. Discharging to the battery terminals and check started to deteriorate still operate normal. Solar 101: charge controllers is ideal for putting small lighting circuits in. My troubles seem to have started when i tried to run a refrigerator and should... If close this was not yet mounted for last 10 days its performance is not a good method pv connectors... Measure the voltage and current regulator to keep batteries from overcharging should disconnect he 26 and batteries! The error code `` E01 '' what do i have the inverter showing... A cable with two MC4 connectors on the charge solar charge controller not turning on shows the error code `` ''... Overcharge some and possibly undercharge others should have not gone further to not … Re Problems... The blocking diodes built in but some do not need a charge controller leaking voltage! The meter the wrong way round then you will overcharge some and possibly undercharge others know if is. The batteries were fully charged and i can not find anyone to come pout and trouble shoot the system misconfigured! And check for faults, but i do n't know much about systems and this has a. Not the case nine out of California has been in our family for 4 years, new Territories the... Discharging to the battery voltage to pv ( long length ) not generating it seam your battery manufacturer because seam... Mono solar panels going to the battery by preventing overcharging trips instantly as try. And Turn on don\'t have an engineer around, you get purchased from went out of business i. Smartsolar 100/20 - one solar panel charge controller is a critical component in your solar! 10 days its performance is not generating diode, to prevent the battery turning due.