E3 — Indoor fan speed error (MMDB Indoor Units)

Was bedeutet E3 ?

For MMDB indoor units: This error indicates an issue with the indoor fan's speed regulation. The fan might be operating at an incorrect speed or not at all.

• Indoor fan motor malfunction
• Problem with the fan speed control circuit
• Obstruction preventing fan rotation

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Check that the indoor unit's air intake and outlet vents are clear of obstructions.

2. 2

   Listen to confirm if the indoor fan is running when the unit is powered on.

3. 3

   Verify there are no physical obstructions preventing the fan from spinning.

4. 4

   Contact a technician if the fan motor or its control board appears to be faulty.