2 flashes, 4 beeps - Low / High Pressure Switch Activated

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This indicates that either the low or high-pressure switch has been activated, meaning the system pressure is outside of its normal operating range. This could be due to refrigerant issues or airflow problems.

• Low or high pressure switch OPEN
• Refrigerant charge issue
• Airflow obstruction

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Turn off the unit and check for any obstructions blocking airflow to the indoor and outdoor units.

2. 2

   Ensure the system has been recently serviced and the refrigerant levels are correct.

3. 3

   Reset the unit by turning off the power for 1 minute.

4. 4

   Consult a technician if the fault code reappears, as it may indicate a refrigerant or pressure regulation problem.