Error code

Unical Alkon code 21

No approved translation for this record yet; showing the original text.

Meaning

Akış ısısı sensörü ile dönüş ısısı sensörü arasındaki ısı farkı>35°C olduğunda oluşur.ısı farkı < 25 °C olduğunda silinir.2nci grup

Signed-in members see the LED pattern and how to read the code with the remote control on eligible records.

Solution steps are not shared for faults that may be dangerous.

No do-it-yourself solution is given for this fault. For your safety, call an authorised service.

Get help from a technician over a video call.