Gree · Split air conditioners · Gree Pular (wall-mounted split, R32)
H4System is abnormal
Name in the manufacturer's documentation (service manual): System is abnormal
[1]
In plain words (editorial)
The system is operating abnormally (overload). In cooling/dry everything except the indoor fan stops; in heating everything stops.
When to call a service technician: Call a service technician if the code returns after switching the unit off and on.
✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.
For technicians
What the device does (source text)
- Cool/Dry: all loads stops operation except indoor fan; Heat: all loads stops operation[2]
Notes from the documentation
- See "High temperature prevention protection; high power; system is abnormal"[3]
⚠ 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] Gree Electric Appliances – Service Manual, wall-mounted R32 GWH..AG.. (Pular) and related (copy from distributor Gree Climat, Ukraine) , p. 101 manufacturer document – copy from a distributor checked manually
System is abnormal
- [2] Gree Electric Appliances – Service Manual, wall-mounted R32 GWH..AG.. (Pular) and related (copy from distributor Gree Climat, Ukraine) , p. 101 manufacturer document – copy from a distributor quote verified
Cool/Dry: all loads stops operation except indoor fan; Heat: all loads stops operation
- [3] Gree Electric Appliances – Service Manual, wall-mounted R32 GWH..AG.. (Pular) and related (copy from distributor Gree Climat, Ukraine) , p. 100 manufacturer document – copy from a distributor quote verified
See "High temperature prevention protection; high power; system