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Gree · Heat pump

JF WiFi module fault

Low severity Gree SapphireGree Livo GEN4Gree Vireo GEN3

What the control is telling you

The WiFi/detection board is not working; the unit runs but cannot be controlled from the app.

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

Likely causes

  • WiFi module wiring loose
  • WiFi module failed
  • Indoor board fault

Test and repair steps

  1. Check the WiFi module plug and wiring.
  2. Replace the WiFi module.
  3. If it still fails, replace the indoor board.

Models that show this code

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

3VIR09HP115V1A3VIR09HP230V1A3VIR12HP115V1A3VIR12HP230V1A3VIR18HP230V1A3VIR24HP230V1A4LIV30HP230V1AH4LIV36HP230V1AHSAP09HP230V1AHSAP12HP230V1AHSAP18HP230V1AHSAP24HP230V1AH

Other codes on the same units

  • EU Compressor slowed - module running hot
  • FH Compressor slowed - indoor coil anti-freeze
  • Fo Refrigerant recovery (pump-down) mode
  • HC PFC protection
  • LC Compressor failed to start
  • LP Indoor and outdoor units do not match
  • PH DC bus voltage too high
  • PL DC bus voltage too low

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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.