3 Disturbances in comfort
In most cases, the compatible heat pump notes a malfunction (a malfunc-
tion can lead to disturbance in comfort) and indicates this with alarms and
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 source of the fault.
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 most cases it is sufficient to select "reset alarm" to correct
the problem that caused the alarm. If a green light comes on after selecting
"reset alarm", the alarm has been remedied. If a red light is still visible and
a menu called "alarm" is visible in the display, the problem causing the
alarm remains. If the alarm disappears and then returns, see the
troubleshooting section (page Troubleshooting).
aid mode ”aid mode” is a type of emergency mode. This means that the
heat pump produces heat and/or hot water despite there being some
kind of problem. This can mean that the heat pump's compressor is not
running. In this case the immersion heater produces heat and/or hot water.
Caution
Selecting "aid mode” is not the same as correcting the problem that
caused the alarm. The status lamp will therefore continue to be red.
If the alarm does not reset, contact your installer for suitable remedial ac-
tion.
13NIBE SAM 40Chapter 3 | Disturbances in comfort
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