In most cases, VVM S320 notes a malfunction (a mal-
function can lead to disruption in comfort) and indicates
this with alarms, and instructions for action, in the dis-
play.
Info-menu
Manage alarm
I want to see more info about the alarm
I want to change settings for my system
Your system has an active alarm.
Please select an action below or contact your installer.
12°C 13.45 3 October
Reset alarm
Auxiliary operation
VVMS320 has no contact with the outdoor temperature sensor. Calculated
flow line temperature is set to min. flow line. If a higher temperature is desired
then min. flow line can be temporarily changed in menu 1.30.4. Check the
connection to the outdoor temperature sensor and reset the alarm. If the alarm
recurs, select aid mode and contact your installer.
12°C 13.45 3 October
In the event of an
alarm, a malfunction
has occurred and the
status lamp shines
with a steady red
light. You receive in-
formation about the
alarm in the smart-
guide on the dis-
play.
ALARM
In the event of an
alarm with a red
status lamp, a mal-
function has occurred that VVM S320 cannot remedy
itself. On the display, you can see what type of alarm it
is and reset it.
In many cases, it is sufficient to select “Reset alarm”
for the installation to revert to normal operation.
If a white light comes on after selecting “Reset alarm”,
the alarm has been remedied.
It the red light is still on or if the alarm recurs, the cause
of the problem remains.
"Auxiliary operation" is a type of emergency mode. This
means that the installation attempts to produce heat
and/or hot water, even though there is some kind of
problem. This could mean that the heat pump’s com-
pressor is not in operation. In this case, any electric ad-
ditional heat produces heat and/or hot water.
Caution
Selecting "Auxiliary operation" is not the same
as correcting the problem that caused the
alarm. The status lamp will therefore remain
red.
If the alarm does not reset, contact your installer for
suitable remedial action.
Caution
You need the product's ((14 digit) serial number
for servicing and support.
Troubleshooting
If the operational interference is not shown in the display
the following tips can be used:
Basic actions
Start by checking the following items:
• Group and main fuses of the accommodation.
• The property's earth circuit breaker.
• Correctly set load monitor (if installed).
15Chapter 6 | Disturbances in comfortNIBE VVM S320
6 Disturbances in comfort
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