Fault Codes / Vaillant / F.546

flexoTHERM/aroTHERM — High pressure sensor fault.

Possible causes

• Wiring faulty.
• Sensor faulty.

Check steps

• Check sensor wiring & connector.
• Cross-check with gauge.

Affected parts

• Hochdrucksensor

Safety note

Source: Vaillant resmi servis kılavuzu — ManualsLib s.39: 'F.546 – Sensor fault: High pressure'

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

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