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Gree · Split air conditioners · Gree Pular (wall-mounted split, R32)

U2Lost phase protection of compressor

Name in the manufacturer's documentation (service manual): Lost phase protection of compressor[1]

In plain words (editorial)

Lost phase protection of the compressor – the service manual names a damaged outdoor main board or compressor, or a badly connected compressor wire. The compressor and outdoor fan stop.

When to call a service technician: Call a service technician – the boards and compressor are checked inside the unit.

✎ 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] Gree Electric Appliances – Service Manual, wall-mounted R32 GWH..AG.. (Pular) and related (copy from distributor Gree Climat, Ukraine) , p. 102 manufacturer document – copy from a distributor checked manually Lost phase protection of
  2. [2] Gree Electric Appliances – Service Manual, wall-mounted R32 GWH..AG.. (Pular) and related (copy from distributor Gree Climat, Ukraine) , p. 102 manufacturer document – copy from a distributor quote verified The main board of outdoor unit is damaged
  3. [3] Gree Electric Appliances – Service Manual, wall-mounted R32 GWH..AG.. (Pular) and related (copy from distributor Gree Climat, Ukraine) , p. 102 manufacturer document – copy from a distributor quote verified The compressor is damaged
  4. [4] Gree Electric Appliances – Service Manual, wall-mounted R32 GWH..AG.. (Pular) and related (copy from distributor Gree Climat, Ukraine) , p. 102 manufacturer document – copy from a distributor quote verified The connection wire of compressor is not connected well
  5. [5] Gree Electric Appliances – Service Manual, wall-mounted R32 GWH..AG.. (Pular) and related (copy from distributor Gree Climat, Ukraine) , p. 102 manufacturer document – copy from a distributor quote verified Cool: compressor and outdoor fan stop operation; Heat: compressor and outdoor fan stop operation at first; about 1 minute later, indoor fan stops operation