In most cases, the heat pump notes operational interference (operational
interference can lead to disturbance in comfort) and indicates this with
alarms and shows action instructions in the display.
Info-menu
All the heat pump measurement values are gathered under menu 3.1 in
the heat pump menu system. Looking through the values in this menu
can often simplify finding the fault source. See page 53 for more inform-
ation about menu 3.1.
Manage alarm
info / action
reset alarm
aid mode
Low pressure alarm
alarm
In the event of an alarm, some kind
of malfunction has occurred, which is
indicated by the status lamp changing
from green continuously to red con-
tinuously. In addition, an alarm bell
appears in the information window.
ALARM
In the event of an alarm with a red
status lamp a malfunction has oc-
curred that the heat pump cannot remedy itself. In the display, by turning
the control knob and pressing the OK button, you can see the type of
alarm it is and reset it. You can also choose to set the heat pump to aid
mode.
info / action Here you can read what the alarm means and receive tips
on what you can do to correct the problem that caused the alarm.
reset alarm In many cases, it is sufficient to select “reset alarm” in order
for the product to revert to normal operation. If a green light comes on
after selecting “reset alarm”, the alarm has been remedied. If a red light
NIBE F730Chapter 4 | Disturbances in comfort72
4 Disturbances in comfort
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