Error 17 — 4-way valve switching failure

Was bedeutet 17 ?

The 4-way valve is not correctly directing hot gas to the appropriate coil. This prevents proper heating or cooling operation.

• 4-way valve malfunction
• Wiring issue to the 4-way valve

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

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

2. 2

   Inspect wiring connections to the 4-way valve.

3. 3

   Replace the 4-way valve if faulty.