Nibe F730 - Page 75

• "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.
• Filter blocked.
– Clean or replace filter (see page 24).
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
• Filter blocked.
– Clean or replace filter (see page 24).
• The ventilation is not adjusted.
– Order ventilation adjustment.
• Exhaust air device blocked or throttled down too much.
– Check and clean the exhaust air devices (see page 23).
• Fan speed in reduced mode.
75Chapter 4 | Disturbances in comfortNIBE F730