Outdoor Board LED green (once) and red (twice) blink alternately after startup - Outdoor unit's protection device connector is open

Was bedeutet F3, F5, F9 ?

After the initial 'startup' sequence, if the outdoor unit's LED1 (green) blinks once and LED2 (red) blinks twice alternately, it indicates that a protection device connector on the outdoor unit is open.

• Outdoor unit's protection device connector is open.

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1. 1

   Turn off the main power supply to the unit.

2. 2

   Inspect the outdoor unit's protection device connectors and ensure they are securely connected.

3. 3

   Restore power and re-check the display.