Learn about Samil Power SolarRiver Error Code 22, its meaning, causes, and solutions for isolation faults.
Error Code 22 indicates an isolation fault in the inverter. This can occur due to issues with the grounding or insulation of the system.
To troubleshoot Error Code 22, check the inverter's grounding connections and inspect the wiring for any signs of damage or wear.
Error 22 is indicative of an isolation fault detected by the inverter's internal monitoring system. The inverter continuously measures the insulation resistance (RISO) of the DC circuit. If the resistance falls below a threshold, typically around 1 MΩ, it signifies potential leakage to ground, leading to this fault code. This is crucial for preventing electric shock hazards and ensuring the safe operation of the solar power system. The inverter's Ground Fault Detection mechanism is integral to maintaining compliance with safety standards and the National Electrical Code (NEC), which mandates proper grounding practices to safeguard against electrical hazards.
When the Samil Power SolarRiver inverter triggers Error 22, users may observe specific LED indicators flashing in a predetermined pattern, often accompanied by alerts on the monitoring app indicating an isolation fault. The system's energy production may drop significantly or completely halt, reflecting a critical issue in the DC circuit's insulation integrity.
For your safety, always consult a licensed electrician or certified solar installer when performing maintenance or troubleshooting on your solar power system.
To prevent Error 22 from occurring in the future, regularly inspect the solar array and all wiring for signs of wear or damage. Ensure proper sealing of junction boxes and inverter enclosures to prevent moisture ingress. Conduct periodic insulation resistance testing as part of routine maintenance to identify potential issues before they escalate. Adhering to NEC guidelines for grounding and bonding will also help maintain system integrity and safety.