5201 High-pressure sensor fault (63HS1)

What does 5201 mean?

This fault indicates a problem with the high-pressure sensor (63HS1). This sensor measures the high-side refrigerant pressure, and a fault here suggests an issue with the sensor itself or the pressure readings.

• Defective high-pressure sensor (63HS1).
• Incorrect pressure reading.
• Gas leakage resulting in pressure drop.

Click steps to track your progress.

1. 1

   Turn off the power to the unit at the circuit breaker for at least 5 minutes, then turn it back on.

2. 2

   Check the high-pressure sensor (63HS1) connections to ensure they are secure.

3. 3

   Visually inspect for any signs of refrigerant leakage around the outdoor unit.

4. 4

   If the fault persists, a service professional will need to check the high-pressure sensor with a gauge.

5. 5

   Avoid attempting to open refrigerant lines yourself.