Error code

Vaillant flexoTHERM All models code 742

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

Meaning

Environment circuit: Inlet temp. too high

Member details

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

Possible causes

- Çevre devresindeki giriş sıcaklığı, kompresörün çalıştırılması için çok yüksek - Toprak kaynak devre sıvısı giriş sıcaklığı > 50 °C - Harici ısının çevre devresine gönde- rilmesi

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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