H9 - Failed ambient sensor

Was bedeutet H9 ?

The sensor measuring the outside ambient temperature has failed (open or short circuit).

• Ambient sensor open or short circuit.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Locate the ambient sensor on the outdoor unit and check its connection.

2. 2

   Inspect the sensor and its wiring for any visible damage.

3. 3

   If the sensor or wiring is faulty, it must be replaced by a qualified technician.