Samil Power Model Solar River Series Solar Inverter – Common Error and Fault Readings

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  • Energy bill higher than usual?

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  • Installer gone broke?

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  • Out of manufacturer’s warranty by just a few months?

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Samil Power’s solar inverters are manufactured in China. However, the company has head offices around the world, including Australia, Germany, UK and the US. Samil specialises in PV grid inverter technology. Samil manufacturers high quality inverters that rarely has any problems.

Trouble Shooting Tips

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Below is a list of common error and fault codes for Samil Power Solar River Series Solar Inverter, followed by helpful solutions:

Fault Readings Solutions
Grid Faults Ensure that grid voltage and frequency complies with prescribed standards
No Utility Check grid connection, such as wires and interfaces.
Check grid usability.
PV Over Voltage Check the panel’s open circuit voltage and ensure this complies with prescribed standards
DC INJ High This problem should usually fix itself. However, if it doesn’t fix itself, you require the help of a licensed electrician.
SCI Failure Disconnect PV + and PV- with DC input.
Reconnect them.
DC Sensor Fault Disconnect PV + and PV- with DC input.
Reconnect them.
Isolation Fault Check impedance of PV+ and PV – and ground. Ensure these comply with prescribed standards.
Consistent Fault Disconnect PV + and PV- with DC input.
Reconnect them.
Fan Fault Ensure fan is not blocked.
Ensure the wire of the fan is normal.
Relay Fault Disconnect PV + and PV- with DC input.
Reconnect them.
Ground I Fault Disconnect DC and AC connector and check the surrounding equipment on the AC side.
Reconnect input connector.
EEPROM Failure Disconnect PV + and PV- with DC input.
Reconnect them.
High DC Bus Disconnect PV + and PV- with DC input.
Reconnect them.
GFCI Failure Disconnect PV + and PV- with DC input.
Reconnect them.

Please note that these are general tips only and are based on our current and past experience and therefore, not specific to your solar problem. What we usually find is people trying these troubleshooting tips and if these fail, they give us a call and we can perform diagnostic tests and provide a solution.

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  • 50% of the time it’s a quick easy fix for any solar tech…
  • Error messages and fault codes that are due to an external fault elsewhere in the solar system.
  • The solar system is tricking the inverter into thinking it has that error or fault.
  • External faults are relatively easy to find and repair. Once fault is repaired, the inverter is back online.
  • Other 50% of the time
  • There is a fault, which requires more diagnostic type of testing to locate the fault. Out of these about 1 in 4 can be solved onsite. Things like a dodgy install or water damage somewhere.
  • The rest of the time it’s the inverter that’s the problem. 1 out of every 2 times the inverter can be sent away for repairs or we can organise those repairs under warranty with the manufacturer, and…
  • The rest of the time the inverter was of low quality and either not fixable of not good value to fix. If this is the case we would quote on an inverter with similar specs to replace it with. Getting your system back online fast with high quality parts.
  • In the worst case scenario, rare ground leakage faults are very difficult to find and fix but we have also had experience locating these aswell.
Be careful some dodgy solar guys will just say you need a new inverter without performing any tests just so they can sell you a new inverter that you may not even need!
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Nevertheless, we can help you with any solar problem you may have. Call us on 1300 796 500!

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