Deye · PV inverters · Deye SUN-SG05LP1-EU (single-phase hybrid inverter, 3.6–8 kW)
F48AC lower frequency
Name in the manufacturer's documentation (user manual): AC lower frequency
[1]
In plain words (editorial)
The grid frequency is too low. The manual says to check that it is within the specification and that the AC cables are firmly and correctly connected.
When to call a service technician: 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.
For technicians
Steps given by the manufacturer (source text)
⚠ Work on refrigerant circuits, mains electricity and PV DC wiring is for qualified technicians only.
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] 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
F48 AC lower frequency
- [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 the frequency is in the range of specification or not
- [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
Check whether AC cables are firmly and correctly connected
- [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