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Gree · Heat pump

F8 Compressor slowed - high current

Low severity Gree SapphireGree Livo GEN4Gree Vireo GEN3

What the control is telling you

Normal operation continues with compressor speed cut to limit current.

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

Likely causes

  • Low supply voltage
  • High system pressure / overload

Test and repair steps

  1. Measure supply voltage under load.
  2. Clean the coils and check the charge for overcharge.

Models that show this code

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

3VIR09HP115V1A3VIR09HP230V1A3VIR12HP115V1A3VIR12HP230V1A3VIR18HP230V1A3VIR24HP230V1A4LIV30HP230V1AH4LIV36HP230V1AHSAP09HP230V1AHSAP12HP230V1AHSAP18HP230V1AHSAP24HP230V1AH

Other codes on the same units

  • F2 Indoor coil sensor open or shorted
  • 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
  • F9 Compressor slowed - high discharge temperature
  • H0 Compressor slowed - high indoor coil temp in heating
  • H3 Compressor overload protection

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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.