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Gree · Heat pump

F9 Compressor slowed - high discharge temperature

Low severity Gree SapphireGree Livo GEN4Gree Vireo GEN3

What the control is telling you

Normal operation continues with compressor speed cut because the discharge line is hot.

Applies to: Gree Sapphire 9-24k (SAP..HP230V1A), Livo GEN4 30-36k (4LIV..HP230V1A), Vireo GEN3 9-24k (3VIR..HP115/230V1A)

Likely causes

  • Overload or high temperature
  • Low refrigerant
  • EEV fault

Test and repair steps

  1. Check the charge and leak-check if low.
  2. Check the EEV coil and plug.
  3. Clean the coils.

Models that show this code

12 models in Gree Sapphire, Gree Livo GEN4, Gree Vireo GEN3

3VIR09HP115V1A3VIR09HP230V1A3VIR12HP115V1A3VIR12HP230V1A3VIR18HP230V1A3VIR24HP230V1A4LIV30HP230V1AH4LIV36HP230V1AHSAP09HP230V1AHSAP12HP230V1AHSAP18HP230V1AHSAP24HP230V1AH

Other codes on the same units

  • F3 Outdoor ambient sensor open or shorted
  • F4 Outdoor coil (condenser middle) sensor open or shorted
  • F5 Compressor discharge sensor open or shorted
  • F6 Compressor slowed - overload
  • F8 Compressor slowed - high current
  • H0 Compressor slowed - high indoor coil temp in heating
  • H3 Compressor overload protection
  • H4 System abnormal (overload)

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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.