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SOFAR (Shenzhen SOFARSOLAR) · PV inverters · SOFAR 3.3–12KTLX-G3 (three-phase grid inverter)

ID113Overtemperature derating

Name in the manufacturer's documentation (fault list): Overtemperature derating[1]

In plain words (editorial)

The inverter reduces its output because it is too hot (overtemperature derating). The manual says to check the installation position, whether the ambient temperature exceeds the upper limit, and whether foreign matter blocks the fan at the air inlet.

When to call a service technician: If it keeps happening after improving ventilation, contact your installer.

✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.

The Polish page has more detail (plain-language explanation, safe checks, guides): Read in Polish →

Sources

Every statement has a footnote to the document and PDF page. “Quote verified” means the quote was found automatically in the text of that page.

  1. [1] SOFAR 3.3~12KTLX-G3 – User Manual (2024-10) , p. 73 official manufacturer document quote verified Overtemperature derating
  2. [2] SOFAR 3.3~12KTLX-G3 – User Manual (2024-10) , p. 73 official manufacturer document quote verified Ensure the installation position and installation method meet the requirements of this user manual
  3. [3] SOFAR 3.3~12KTLX-G3 – User Manual (2024-10) , p. 73 official manufacturer document quote verified Check whether the ambient temperature of the installation position exceeds the upper limit
  4. [4] SOFAR 3.3~12KTLX-G3 – User Manual (2024-10) , p. 73 official manufacturer document quote verified whether there are foreign matters blocking the fan