Error E59 / Outdoor Red LED Flashes 1 to 5 times — Compressor start-up error

What does E59 / Outdoor Red LED 1 to 5 flashes mean?

Error E59, indicated by 1 to 5 flashes of the outdoor unit's red LED, means there's an error during the compressor start-up sequence. This can prevent the unit from heating or cooling.

• Compressor start-up error

Click steps to track your progress.

1. 1

   Turn off the main power supply to the air conditioner for at least 10 minutes, then restart it.

2. 2

   Listen for any unusual noises from the outdoor unit, such as clicking or grinding, when it tries to start.

3. 3

   Ensure the outdoor unit is receiving stable power and there are no tripped breakers.

4. 4

   This type of error often indicates an issue with the compressor itself or its starting components.

5. 5

   Contact a professional HVAC technician for diagnosis and repair of the compressor.