Error Code 17 — 4-way valve switching failure

¿Qué significa 17 ?

The 4-way valve, which directs hot gas flow for heating or cooling, is not switching correctly. This prevents the system from changing modes properly.

• Faulty 4-way valve
• Electrical issue with the valve control
• Incorrect valve position

Haga clic en los pasos para seguir su progreso.

1. 1

   Refer to the 4-way valve testing procedure in the manual.

2. 2

   Check the electrical connections to the 4-way valve.

3. 3

   Ensure the valve is receiving the correct signals from the PCB.