Error code

Vaillant flexoTHERM All models code 741

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

Meaning

Building circuit: Return temp.too low

Member details

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

Possible causes

- İlçe binası dönüş devresi sıcaklığı, kompresörü çalıştırmak için çok düşük Isıtma: - Dönüş devresi sıcaklığı < 5 °C Soğutma: - Dönüş devresi sıcaklığı < 10 °C

Solution

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.

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