Nibe ERS 20, User Manual

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– S-series: Enter the main product’s menu 1.2.1 and select "Normal".
F-series: Enter the main product’s menu 1.2 and select "normal".
• External switch for changing the fan speed activated.
– Check any external switches.
• Fan running slow because of low incoming outdoor air temperature.
– Contact the installer in the event of recurring problems.
HIGH OR DISTRACTING VENTILATION
• Filters blocked.
– Replace the filters.
• The ventilation is not adjusted.
– Order ventilation adjustment.
• Closed, too much choke or blocked ventilation device.
– Check and clean ventilation valves (see page 12 ).
• Fan speed in forced mode.
– S-series: Enter the main product’s menu 1.2.1 and select "Normal".
F-series: Enter the main product’s menu 1.2 and select "normal".
• External switch for changing the fan speed activated.
– Check any external switches.
• Silencers not correctly installed.
– Contact your installer!
17 Chapter 3 | Disturbances in comfort NIBE ERS 20