HVACopediaGree · Heat pump
d9 Indoor jumper cap fault
What the control is telling you
Jumper cap missing or wrong (often after a board swap).
Applies to: Gree GMV6 Ultra Heat Mini VRF 36-60k (GMV-V..WL/C-T(U))
Likely causes
- Cap not moved from the old board
- Wrong cap
Test and repair steps
- Move the jumper cap from the original board (replacement boards come without one).
Models that show this code
3 models in Gree GMV6 Mini VRF
Other codes on the same units
- d1 Indoor main board fault
- d3 Indoor return air sensor open or shorted (15K)
- d4 Indoor coil inlet pipe sensor open or shorted (20K)
- d5 Indoor coil middle pipe sensor open or shorted (20K)
- d6 Indoor coil outlet pipe sensor open or shorted (20K)
- E0 Outdoor unit fault (shown with another code)
- E1 High pressure protection
- E3 Low pressure protection
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Source: Gree GMV6 Ultra Heat Mini VRF 36-60k (GMV-V36-48-60WL-C-T(U)) service.pdf - section Chapter 3 Faults, 4.1 Error Indication. Summarized in our own words; check the original manual for your model.
Homeowner looking at this code? See what it means for you and when to call a technician.
For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.