GE Appliances F23 error code

What it means

The inverter detected phase current protection involving compressor wiring, power module, or compressor condition.

Urgency

Likely causes

1. Incorrect compressor wiring
2. Power module is bad
3. Compressor is bad

Homeowner fix

Turn the system off and power cycle once if safe. Do not open the outdoor unit or attempt compressor/inverter work.

When to call a pro

Call GE Appliances ductless support or a qualified HVAC technician if F23 returns. Tell them the manual lists F23 as phase current protection.

Repair vs replace

Phase current faults can involve inverter or compressor work; compare major repair with replacement on older systems.

• GE Appliances Altitude 9,000 BTU R-454B 208/230V (GS09WB2BEA / 1G09AD2BEA)

  GE Altitude

• GE Appliances Altitude 11,800 BTU R-454B 208/230V (GS12WB2BEA / 1G12AD2BEA)

  GE Altitude

• GE Appliances Altitude 13,500 BTU R-454B 208/230V (GS15WB2BEA / 1G15AD2BEA)

  GE Altitude

• GE Appliances Altitude 17,000 BTU R-454B 208/230V (GS18WB2BEA / 1G18AD2BEA)

  GE Altitude

For your technician

Official GE Altitude service manual, H2 outdoor fault table and H11 phase-current flowchart: F23 - phase current protection; causes are incorrect compressor wiring, bad power module, or bad compressor. Page context: GE Appliances maps this display to the GE Altitude line; source: GE Appliances Single-Zone Service Manual, Ductless Multi-Split Heat Pumps, Altitude models 1G09AD2BEA through 1G3036AD2BEA and GSxxWB2BEA highwalls; display convention: match the letter F and twenty three marker exactly before comparing neighboring codes.

Which systems show it

GE Altitude

Related troubleshooting

Use the symptom guide alongside the exact display code if the unit is flashing, cycling, or showing comfort symptoms.

Related codes

Source

Next step