High Or Distracting Ventilation - Nibe F750 User Manual

Low or a lack of ventilation
Filter blocked.
Clean or replace filter (see page 21).
Exhaust air device blocked or throttled down too much.
Check and clean the exhaust air devices (see page 21).
Fan speed in reduced mode.
Enter menu 1.2 and select "normal".
External switch for changing the fan speed activated.
Check any external switches.

High or distracting ventilation

The ventilation is not adjusted.
Order ventilation adjustment.
Fan speed in forced mode.
Enter menu 1.2 and select "normal".
External switch for changing the fan speed activated.
Check any external switches.
Filter blocked.
Clean or replace the filter.
The compressor does not start
There is no heating requirement.
The heat pump does not call on heating nor hot water.
The heat pump defrosts.
Minimum time between compressor starts has not been reached.
Wait 30 minutes and check if the compressor has started.
Alarm tripped.
Follow the display instructions.
Chapter 4 | Disturbances in comfort NIBE™ F750 77