Low room temperature
■
Closed thermostats in several rooms.
■
See section "Saving tips" on page 24 and menu 1.1 on page 27 for
more detailed information about how to best set the thermostats.
■
Heat pump in incorrect operating mode.
■
Enter menu 4.2. If mode "auto" is selected, select a higher value on
"stop heating" in menu 4.9.2.
■
If mode "manual" is selected, select "heating". If this is not enough,
select "addition".
■
Too low set value on the automatic heating control.
■
Enter menu 1.1 "temperature" and adjust the offset heating curve up.
If the room temperature is only low in cold weather the curve slope
in menu 1.9.1 "heating curve" needs adjusting up.
■
"comfort mode" "luxury" selected in combination with large hot water
outlet.
■
Enter menu 2.2 and select "economy" or "normal".
■
"Holiday mode" activated in menu 4.7.
■
Enter menu 4.7 and select "Off".
■
External switch for changing the room heating activated.
■
Check any external switches.
■
Air in the heating system.
■
Vent the heating system.
■
Closed valves to the heating system.
■
Open the valves (contact your installer for assistance in finding them).
■
Filter blocked.
■
Clean or replace filter (see page 21).
High room temperature
■
Too high set value on the automatic heating control.
■
Enter menu 1.1 (temperature) and reduce the offset heating curve. If
the room temperature is only high in cold weather the curve slope in
menu 1.9.1 "heating curve" needs adjusting down.
■
External switch for changing the room heating activated.
■
Check any external switches.
Low system pressure
■
Not enough water in the heating system.
■
Top up the water in the heating system.
Low or a lack of ventilation
■
The ventilation is not adjusted.
65NIBE™ F370Chapter 4 | Disturbances in comfort
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