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Deye · PV inverters · Deye SUN-SG05LP1-EU (single-phase hybrid inverter, 3.6–8 kW)

F64Heat sink high temperature failure

Name in the manufacturer's documentation (user manual): Heat sink high temperature failure[1]

In plain words (editorial)

The heat sink is too hot – the manual says to check whether the ambient temperature is too high and to turn the inverter off for 10 minutes and restart it.

When to call a service technician: Improve ventilation; if it does not return to normal, contact your installer or Deye support.

✎ 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] Hybrid Inverter User Manual – SUN-3.6K/5K/6K/7K/7.6K/8K-SG05LP1-EU (ed. 2024-08) (instructions_sun-3.6-8k-sg05lp1-eu_240813_en) , p. 47 official manufacturer document quote verified F64 Heat sink high temperature failure
  2. [2] Hybrid Inverter User Manual – SUN-3.6K/5K/6K/7K/7.6K/8K-SG05LP1-EU (ed. 2024-08) (instructions_sun-3.6-8k-sg05lp1-eu_240813_en) , p. 47 official manufacturer document quote verified Check whether the work environment temperature is too high
  3. [3] Hybrid Inverter User Manual – SUN-3.6K/5K/6K/7K/7.6K/8K-SG05LP1-EU (ed. 2024-08) (instructions_sun-3.6-8k-sg05lp1-eu_240813_en) , p. 47 official manufacturer document quote verified Turn off the inverter for 10mins and restart
  4. [4] Hybrid Inverter User Manual – SUN-3.6K/5K/6K/7K/7.6K/8K-SG05LP1-EU (ed. 2024-08) (instructions_sun-3.6-8k-sg05lp1-eu_240813_en) , p. 47 official manufacturer document quote verified Seek help from us, if can not go back to normal state