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System pressure above 1.5 bar

System pressure above 1.5 bar — Heating system pressure too high

Nibe · Air Conditioning

¿Qué significa System pressure above 1.5 bar ?

A pressure reading consistently above 1.5 bar, especially if approaching 2.5 bar, indicates the heating system pressure is too high. This can be caused by thermal expansion issues or other system faults.

Causas comunes

  • Heating system may be overfilled
  • Faulty expansion vessel
  • Overheating issue

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Check the pressure gauge on the F730.

  2. 2

    If the pressure is above 1.5 bar, contact your installer. They will need to check the system, potentially by bleeding radiators or checking the expansion vessel.

  3. 3

    Avoid attempting to bleed the system yourself unless you are experienced, as incorrect procedures can cause further issues.

Ver todos los códigos en este manual (95)
Datos técnicos verificados. Última actualización: April 2026

Fallas relacionadas

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Fuente: Nibe Air Conditioning
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