HVACopediaGree · Heat pump
E9 Cold air prevention (status)
What the control is telling you
Not a fault. In heating the indoor fan waits until the coil is warm so cold air is not blown into the room.
Applies to: Gree Sapphire 9-24k (SAP..HP230V1A), Livo GEN4 30-36k (4LIV..HP230V1A), Vireo GEN3 9-24k (3VIR..HP115/230V1A)
Test and repair steps
- Wait a few minutes after a heating start or after defrost.
- If it never ends, check the outdoor unit is actually heating (compressor running, reversing valve energized).
Models that show this code
12 models in Gree Sapphire, Gree Livo GEN4, Gree Vireo GEN3
Other codes on the same units
- E4 Compressor discharge temperature too high
- E5 Overcurrent protection (whole unit)
- E6 Indoor/outdoor communication fault
- E8 High temperature / overload protection
- F0 Low refrigerant / refrigerant blocked protection
- F1 Indoor room air sensor open or shorted
- F2 Indoor coil sensor open or shorted
- F3 Outdoor ambient sensor open or shorted
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Source: Gree Sapphire 9-12k (SAP09-12HP230V1A) service.pdf - section 9.1 Error Code List / 9.2 Procedure of Troubleshooting; Gree Sapphire 18-24k (SAP18-24HP230V1A) service.pdf - section 9.1 Error Code List / 9.2 Procedure of Troubleshooting; Gree Livo GEN4 30-36k (4LIV30-36HP230V1A) service.pdf - section 9.1 Error Code List / 9.2 Procedure of Troubleshooting; Gree Vireo GEN3 9-24k (3VIR..HP115-230V1A) service GREE_VIREOGEN3_SERVICE_090921.pdf - section 9.1 Error Code List / 9.2 Procedure of Troubleshooting. 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.