Gree · Split air conditioners · Gree Pular (wall-mounted split, R32)
E6Communication malfunction between indoor unit and outdoor unit
Name in the manufacturer's documentation (service manual): Communication malfunction between indoor unit and outdoor unit
[1]
In plain words (editorial)
The indoor and outdoor units cannot communicate. The service manual says to check the connection wire between the units and inside the electric boxes, then the communication circuit and control boards.
When to call a service technician: Wiring and board checks are for a service technician.
✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.
For technicians
Steps given by the manufacturer (source text)
- Check the connection wire of indoor unit and outdoor unit according to the wiring diagram; connect it correctly.[2]
- Check whether the connection wire of controller inside the electric box of indoor/outdoor unit is loose.[3]
- Check the communication circuit of outdoor unit; replace the control board of outdoor unit or of indoor unit.[4]
What the device does (source text)
- Cool: compressor stops operation, while indoor fan operates; Heat: all loads stop operation.[5]
⚠ 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
malfunction between
- [2] Gree Electric Appliances – Service Manual, wall-mounted R32 GWH..AG.. (Pular) and related (copy from distributor Gree Climat, Ukraine) , p. 105 manufacturer document – copy from a distributor quote verified
Check the connection wire of
- [3] Gree Electric Appliances – Service Manual, wall-mounted R32 GWH..AG.. (Pular) and related (copy from distributor Gree Climat, Ukraine) , p. 105 manufacturer document – copy from a distributor quote verified
wire of controller inside the
- [4] Gree Electric Appliances – Service Manual, wall-mounted R32 GWH..AG.. (Pular) and related (copy from distributor Gree Climat, Ukraine) , p. 105 manufacturer document – copy from a distributor quote verified
Check the communication
- [5] 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
Cool: compressor stops operation,