SAVE VSR 300 500 SERVICE AND ACCESSORIESV01 1 12 0

Configuration |
15
Alarm name Explanation Do the following
PDM RH
Indicates internal relative humidity
sensor malfunction.
Active: measured humidity = 0%
Returned: measured humidity > 5%
Check that sensor is connected
properly and cable is not damaged.
Contact your installation company or
place of purchase.
PDM RH Extract air
temperature
Indicates internal extract air
temperature sensor malfunction.
Active: measured temperature = 0°C
Returned: measured temperature >
5°C
Check that sensor is connected
properly and cable is not damaged.
Contact your installation company or
place of purchase.
Filter warning
Notification about filter change. Filter have to be replaced in one
month time. Please acquire new
filters.
Filter
Time for filter change. Change the filter.
Change filter according to the
instructions in the User Manual.
Details about filter retailers can be
found in Help menu.
Extra controller alarm
Error from external device. Check if external device is connected
properly and cable is not damaged.
Reset overheat protection on
electrical pre-heater. Contact your
installation company or place of
purchase.
External stop
Unit is stopped by external signal. Operation is stopped by digital signal
from external remote device or
signal from building management
system.
Manual fan stop active
Operation stopped, fans are in
manual mode and selected as OFF.
Select another speed of fans (LOW /
NORMAL / HIGH) or AUTO mode in
HMI home screen.
Overheat temperature
Temperature after reheater is too
high.
Active: (Overheat temperature
sensor measures > 55°C)
Returned: (Overheat temperature
sensor measures < 50°C)
Alarm is possible if supply airflow is
too low when the reheater is
switched on.
Check the supply airflow.
Check that intake grille is not
blocked.
Check that shut off damper for
outdoor air is open in operation.
Contact your installation company or
place of purchase.
Low supply air temperature
Supply air temperature is too low.
Active: (Outdoor air temperature
sensor measures < 0°C) AND (Supply
air temperature sensor measures <
5°C)
Returned: (Supply air temperature
sensor measures > 10°C)
Check the heat exchanger and re-
heater or refer to Point 2 in
“Troubleshooting” menu.
CO₂
External CO
2
sensor malfunction. Check that sensor is connected
properly and cable is not damaged.
In case sensor wireless – check
RS485 gateway status and sensor
status in HMI.
Contact your installation company or
place of purchase.
| v1_1.12.0