Error code

Vaillant flexoTHERM All models code 787

For your safety

This fault is rated high and involves an area that affects personal safety. No remote repair or do-it-yourself instructions are given; do not use the appliance or try to open or repair it.

Hazard area: mains voltage

Do not use the appliance and call an authorised service. If there is a risk to life, move to a safe place and see the emergency numbers.

The emergency numbers here are for Turkey. If you are outside Turkey, call your local emergency number.

All emergency numbers and province details

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

Meaning

Environment circuit: Pressure mon.

Member details

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

View details as a member

Possible causes

- Sızıntı veya hava sıkışması nede- niyle çevre devresinde basınç kaybı - Çevre devresi presostatı arızalı - X110B ile X110 arasındaki veya X110 ile X110A arasındaki şebeke bağlantısı elektronik kartı devresi bağlanmamış. X131'de 230 V mev- cut değil. Giriş kontağının açılması olarak yorumlanır. - X131'e giden köprü (teslimat kap- samı). Elektrik beslemesindeki büyük gerilim dalgalanmaları ilgili arıza me- sajlarına neden olabilir. - Sigorta T4 arızalı

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.