High Or Distracting Ventilation - Nibe F1145PC User Manual

The ventilation is not adjusted.
Order ventilation adjustment.
Filter blocked.
Exhaust air device blocked or throttled down too much.
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

This part of the fault-tracing chapter only applies if the NIBE FLM accessory
is installed.
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.
The compressor does not start
There is no heating requirement.
The heat pump does not call on heating nor hot water.
Temperature conditions tripped.
Wait until the temperature condition has been reset.
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.
Whining noise in the radiators
Closed thermostats in the rooms and incorrectly set heating curve.
Set the thermostats to max in as many rooms as possible. Adjust the
heating curve via menu 1.1 instead of choking the thermostats.
Circulation pump speed set too high.
Contact your installer!
Uneven flow over the radiators.
Contact your installer!
70 Chapter 4 | Disturbances in comfort NIBE™ F1145PC