Solar Panel Charge Controller Troubleshooting

If you think your panels are having trouble producing optimum power we have some troubleshooting tips that might help out in order to troubleshoot your panels you will need a multimeter panel specification sheet and sunlight of course.

Solar panel charge controller troubleshooting.

In order to complete a shade test you only need to cover a small portion of the solar panel in question. For that reason it s most likely that a problem is caused by a defect in system components other than the panels such as the solar inverter charge controller wiring or batteries. We re here to demonstrate how to ensure your diy solar system is properly charging the battery through the solar charge controller we ll be using a 12v solar system with a 12v solar panel a pwm charge controller and a 12v battery. Remember if the battery is full it may not be accepting current resulting in a low reading.

If you have noticed that the light production is not as high as normal you can perform a shade test to determine which of your panels if operating below par. P02 solar panel over voltage greater than 26 5 volts. P01 solar panel reversed connection. Contact zamp solar technical support for further assistance.

If the charger is unable to turn off the pv input it will go into a safe mode in order to protect the battery from over charging or having a high voltage on the battery terminals. This measures the current that the panel and charge controller are passed to the battery. In order to do that the charger will stop charging and disconnect its own output. The charger will become faulty.

Contact zamp solar technical support for further assistance. This fault code is uncommon but could appear if the portable kit s controller wiring has been reversed. If you connect the meter the wrong way round then you will get a negative current showing. Quality solar panels are built and guaranteed to produce power for 25 years.