In most cases, VVM 225 notes a malfunction (a malfunction can lead to
disruption in comfort) and indicates this with alarms, and instructions for
action, in the display.
Info-menu
The electric boiler/indoor module’s measurement values are all gathered
under menu 3.1 in the electric boiler/indoor module’s menu system.
Examining the values in this menu can often make it easier to identify
the source of the fault.
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 continuously. 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 occurred that the electric boiler/indoor
module cannot remedy itself. By turning the control knob and pressing
the OK button, you can see in the display what type of alarm it is and
reset it. You can also choose to set the electric boiler/indoor module 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
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Chapter 4 | Disturbances in comfort
NIBE VVM 225
4 Disturbances in comfort