4 Disturbances in comfort
In most cases, the control module notes a malfunction and indicates this
with alarms and shows instructions to rectify it in the display. See "Manage
alarm" for information about managing alarms. If the malfunction does
not appear in the display, or if the display is not lit, the following
troubleshooting guide can be used.
Manage 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 and/or
control module 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 installation 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 enough to select "reset alarm" to correct
the problem that caused the alarm. If a green light illuminates after select-
ing "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 that caused
the alarm remains. If the alarm disappears and then returns, contact your
installer.
aid mode ”aid mode” is a type of emergency mode. This means that the
installation 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 any electrical addition 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.
63NIBE™ SMO 20Chapter 4 | Disturbances in comfort
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