Fronius Solar Inverter Error Codes & Troubleshooting

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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.

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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

Code 102

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.

Code 103

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.

 

Code 105

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.

Code 106

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.

Code 107

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.

 

Code 108

Description: Independant operation detected.

What to do: Contact your original solar installer or us on 1300 639 363 to investigate and repair the issue.

 

Code 112

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.

 

Code 141

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.

 

Code 314

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

Code 314

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.

 

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If you are in a hurry then call us directly on 1300 639 363 for all enquiries and service bookings.

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