H3-00 — OU: Malfunction of high pressure switch (HPS)

¿Qué significa H3-00 ?

The high-pressure switch (HPS) in the outdoor unit (OU) is malfunctioning.

• Faulty HPS sensor
• Wiring issues
• Abnormal system pressure

Haga clic en los pasos para seguir su progreso.

1. 1

   Ensure outdoor unit airflow is not restricted.

2. 2

   Check the wiring to the HPS.

3. 3

   Power cycle the unit.

4. 4

   A qualified technician must inspect and replace the HPS if faulty.