The 2021 Guide To Troubleshooting Fronius Solar Inverter Error Codes
In this guide we provide assistance on troubleshooting and diagnosing Fronius Solar Inverter Error codes to help you fix the problem.
Find your inverter error code(s) listed below and click through to find relevant information, error messages, possible causes and how to go about remedying the problem.
If you find that we don't have your listed error code then please let us know and we will add it as soon as possible.
IMPORTANT NOTE
It's always better to have problems with your Fronius Inverter investigated, repaired or replaced by a qualified and authorised Fronius Support Partner such as Essential Energy Solutions.
If the problem persists, you should contact us on 1300 639 363 to investigate the issue.
Fronius Inverter Error Codes
To find your particular Fronius inverter fault codes with ease, record the error number or numbers that are displayed on your Fronius Solar Inverter, then look them up on this page and click the toggle.
Fronius Inverter Error Code Range 100 - 199
Description: The AC voltage is too high.
What to do: Contact your original solar installer or us on 1300 639 363 to investigate and repair the issue.
Description: The AC voltage is too low.
What to do: Contact your original solar installer or us on 1300 639 363 to investigate and repair the issue.
Description: The AC frequency is too high.
What to do: Contact your original solar installer or us on 1300 639 363 to investigate and repair the issue.
Description: The AC frequency is too low.
What to do: Contact your original solar installer or us on 1300 639 363 to investigate and repair the issue.
Description: The AC is outside the allowed threshholds.
What to do: Contact your original solar installer or us on 1300 639 363 to investigate and repair the issue.
Description: Independant operation detected.
What to do: Contact your original solar installer or us on 1300 639 363 to investigate and repair the issue.
Description: A residual current monitoring unit (RCMU) error has occurred.
What to do: Contact your original solar installer or us on 1300 639 363 to investigate and repair the issue.
Description: Grid frequency increased above threshold.
What to do: Contact your original solar installer or us on 1300 639 363 to investigate and repair the issue. This value can be adjusted to the grid's frequency via menupoint RoCoF (Rate of Change of Frequency) in the Profile Menu.
An Error Code 314 on a Fronius inverter usually fixes itself when the inverter is restarted.
First perform a restart on your Fronius Inverter to see if the error code goes away. If it remains that means that there is a current sensor calibration timeout or there is an internal system error.
Fronius Inverter Error Code Range 300 - 399
An Error Code 314 on a Fronius inverter usually fixes itself when the inverter is restarted.
First perform a restart on your Fronius Inverter to see if the error code goes away. If it remains that means that there is a current sensor calibration timeout or there is an internal system error.