High Room Temperature - Nibe F1145 Installer Manual

Circulation pump(s) (GP1 and/or GP2) stopped.
See section "Helping the circulation pump to start"
on page 56.
Air in the climate system.
Vent the climate system (see page 26).
(see page 61).
Closed valves (QM20), (QM32)to the climate system.
Open the valves.

High room temperature

Too high set value on the automatic heating control.
Enter menu 1.1 (temperature) and adjust the heat
curve offset downwards. If the room temperature is
only high in cold weather the curve slope in menu
1.9.1 (heating curve) needs to be adjusted down.
External switch for changing the room heating activ-
ated.
Check any external switches.
Low system pressure
Not enough water in the climate system.
Top up the water in the climate system (see page
26).
Low or a lack of ventilation
This part of the fault-tracing chapter only applies if the
NIBE FLM accessory is installed.
Filter (HQ10) blocked.
Clean or replace the filter.
Exhaust air device blocked or throttled down too much.
Check and clean the exhaust air devices.
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/implement 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.
62 Chapter 10 | Disturbances in comfort
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.
Gurgling sound
This part of the fault-tracing chapter only applies if the
NIBE FLM accessory is installed.
Not enough water in the water seal.
Refill the water seal with water.
Choked water seal.
Check and adjust the condensation water hose.
NIBE™ F1145