Pressing the reset button usually fixes most inverter problems. If that does not work, the battery may be low and needs to be recharged. Resetting a solar panel inverter is an essential maintenance task that every solar energy system owner should be familiar with. Read below for step-by-step instructions on how to reset your solar system. Select Reset Inverter in the Configuration Interface. They monitor various parameters, including insulation resistance (RISO), ground faults, and grid. Whenever you want to check your solar inverter is working properly or not, simply check the flashing lights. There are (usually) red, yellow, green lights displayed on the inverter screen: If the green light is ON, then the inverter is in its normal operating condition.