Fault Codes / Vaillant / F.086

flexoTHERM/aroTHERM — Contact (limit) thermostat opened.

Possible causes

• Floor temperature too high.
• Heating flow too low / circuit closed.

Check steps

• Check floor circuit flow & valves.
• Check limit thermostat & flow temp.

Affected parts

• Anlegethermostat

Safety note

Source: Vaillant resmi servis kılavuzu — Bağımsız yeniden fetch (ManualsLib sayfa 38): F.086 = 'Contact thermostat has opened.' — kodbazı ile birebir örtüşüyor.

Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.

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