Gree SAP09HP230V1AH Error Codes

Updated October 13, 2026 · by Aurora Star Tech Inc.

Gree SAP09HP230V1AH error codes and diagnostic codes (also listed as SAP09HP230V1AO, SAP09HP230V1A). The SAP09HP230V1AH is a Gree heat pump in the Gree Sapphire series.

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Gree SAP09HP230V1AH error codes list

Code	Meaning	Severity
C5	Jumper (capacity) cap missing or bad	Medium
E1	High pressure protection	High
E2	Indoor coil freeze protection (status)	Low
E4	Compressor discharge temperature too high	High
E5	Overcurrent protection (whole unit)	High
E6	Indoor/outdoor communication fault	High
E8	High temperature / overload protection	Medium
E9	Cold air prevention (status)	Low
EE	EEPROM / memory chip fault	High
EU	Compressor slowed - module running hot	Low
F0	Low refrigerant / refrigerant blocked protection	High
F1	Indoor room air sensor open or shorted	Medium
F2	Indoor coil sensor open or shorted	Medium
F3	Outdoor ambient sensor open or shorted	Medium
F4	Outdoor coil (condenser middle) sensor open or shorted	Medium
F5	Compressor discharge sensor open or shorted	Medium
F6	Compressor slowed - overload	Low
F8	Compressor slowed - high current	Low
F9	Compressor slowed - high discharge temperature	Low
FH	Compressor slowed - indoor coil anti-freeze	Low
Fo	Refrigerant recovery (pump-down) mode	Low
H0	Compressor slowed - high indoor coil temp in heating	Low
H3	Compressor overload protection	High
H4	System abnormal (overload)	Medium
H5	IPM (inverter module) protection	High
H6	Indoor fan motor not running / no feedback	High
H7	Compressor lost synchronism	High
HC	PFC protection	High
JF	WiFi module fault	Low
L3	Outdoor DC fan motor fault	High
L9	Power protection	Medium
LC	Compressor failed to start	High
LP	Indoor and outdoor units do not match	Medium
oE	Undefined outdoor unit error	Medium
P5	Compressor phase overcurrent	High
P7	Inverter module temperature sensor fault	Medium
P8	Inverter module overheated	High
PH	DC bus voltage too high	High
PL	DC bus voltage too low	High
PU	DC bus capacitor charging fault	High
U1	Compressor phase current sensing fault	High
U3	DC bus voltage drop	Medium
U5	Whole-unit current sensing fault	High
U7	Reversing (4-way) valve fault	High
U8	Indoor zero-crossing signal fault	Medium
U9	Outdoor zero-crossing fault	High

Troubleshooting the SAP09HP230V1AH

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General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

Gree SAP09HP230V1AH error codes list

Troubleshooting the SAP09HP230V1AH

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