The compressor does not start
႑
There is no heating requirement.
႑
The heat pump does not call on heating nor hot water.
႑
Minimum time between compressor starts has not been reached.
႑
Wait 30 minutes and check if the compressor has started.
႑
Alarm tripped.
႑
Follow the display instructions.
Only additional heat
If you are unsuccessful in rectifying the fault and are unable to heat the house,
you can, whilst waiting for assistance, continue running the heat pump in
”add. heat only” mode. This means that the heat pump only uses the immer-
sion heater to heat the house.
Set the heat pump to additional heat mode
1.
Go to menu 4.2 op. mode.
2.
Mark ”add. heat only” using the control knob and then press the OK
button.
3.
Return to the main menus by pressing the Back button.
55NIBE™ F1226Chapter 4 | Disturbances in comfort
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