Gree · Split air conditioners · Gree Pular (wall-mounted split, R32)
C4Malfunction of jumper cap of outdoor unit
Name in the manufacturer's documentation (service manual): Malfunction of jumper cap of outdoor unit
[1]
In plain words (editorial)
The outdoor unit's jumper cap (a small configuration plug on the PCB) is missing or not detected, according to the service manual. In heating all loads stop; in other modes the outdoor unit 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
Possible causes (source text)
- Jumper cap of outdoor unit hasn't been installed[2]
What the device does (source text)
- Heat: all loads are stopped; other modes: outdoor unit stops operation[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. 99 manufacturer document – copy from a distributor checked manually
of outdoor unit
- [2] Gree Electric Appliances – Service Manual, wall-mounted R32 GWH..AG.. (Pular) and related (copy from distributor Gree Climat, Ukraine) , p. 99 manufacturer document – copy from a distributor quote verified
Jumper cap of outdoor unit hasn't been installed
- [3] Gree Electric Appliances – Service Manual, wall-mounted R32 GWH..AG.. (Pular) and related (copy from distributor Gree Climat, Ukraine) , p. 99 manufacturer document – copy from a distributor quote verified
Heat: all loads are stopped; other modes: outdoor unit stops operation