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Gree · Heat pump

HC PFC protection

High severity Gree SapphireGree Multi21+

What the control is telling you

The power factor correction circuit on the outdoor board tripped.

Applies to: Gree Sapphire 9-24k (SAP..HP230V1A), Multi21+ 18-24k multi-zone (MULTI..HP230V1CO)

Likely causes

  • Supply problem
  • Reactor wiring loose or reactor bad
  • Outdoor board fault

Test and repair steps

  1. Warning: Kill power and let the outdoor board capacitors bleed down (about 20 min, or meter the DC bus below 20 V) before touching the inverter board.
  2. Check supply voltage.
  3. Check reactor connections and test the reactor.
  4. Replace the outdoor board (AP1) or the reactor as found.

Models that show this code

6 models in Gree Sapphire, Gree Multi21+

MULTI18HP230V1COMULTI24HP230V1COSAP09HP230V1AHSAP12HP230V1AHSAP18HP230V1AHSAP24HP230V1AH

Other codes on the same units

  • U8 Indoor zero-crossing signal fault
  • U9 Outdoor zero-crossing fault
  • EE EEPROM / memory chip fault
  • EU Compressor slowed - module running hot
  • FH Compressor slowed - indoor coil anti-freeze
  • Fo Refrigerant recovery (pump-down) mode
  • JF WiFi module fault
  • LC Compressor failed to start

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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 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.