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Gree · Heat pump

LC Compressor failed to start

High severity Gree SapphireGree Livo GEN4Gree Vireo GEN3Gree Multi21+

What the control is telling you

The compressor did not start. Multi21+ shows it as Lc.

Applies to: Gree Sapphire 9-24k (SAP..HP230V1A), Livo GEN4 30-36k (4LIV..HP230V1A), Vireo GEN3 9-24k (3VIR..HP115/230V1A), Multi21+ 18-24k multi-zone (MULTI..HP230V1CO)

Likely causes

  • Compressor stopped less than 3 min (pressures not balanced)
  • Compressor wiring loose or wrong sequence
  • Overcharge
  • Compressor failed
  • Outdoor board fault

Test and repair steps

  1. Wait at least 3 min after a stop before restarting.
  2. Check compressor U/V/W wiring against the diagram.
  3. Check the charge and remove any overcharge.
  4. Replace AP1 if the compressor checks good; otherwise replace the compressor.

Models that show this code

14 models in Gree Sapphire, Gree Livo GEN4, Gree Vireo GEN3, Gree Multi21+

3VIR09HP115V1A3VIR09HP230V1A3VIR12HP115V1A3VIR12HP230V1A3VIR18HP230V1A3VIR24HP230V1A4LIV30HP230V1AH4LIV36HP230V1AHMULTI18HP230V1COMULTI24HP230V1COSAP09HP230V1AHSAP12HP230V1AHSAP18HP230V1AHSAP24HP230V1AH

Other codes on the same units

  • Fo Refrigerant recovery (pump-down) mode
  • HC PFC protection
  • JF WiFi module fault
  • LP Indoor and outdoor units do not match
  • Ld Compressor phase loss
  • PH DC bus voltage too high
  • PL DC bus voltage too low
  • PU DC bus capacitor charging fault

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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; Gree Multi21+ multi-zone 18-24k (MULTI18-24HP230V1CO) service.pdf - section 9.1 Malfunction status sheet / 9.2 Malfunction Checking and Elimination. 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.