SAVE VSR 300 500 SERVICE AND ACCESSORIESV01 1 12 0

14
| Configuration
Alarm name Explanation Do the following
Bypass damper
Indicates malfunction in bypass
damper.
Disconnect the main power supply
for 10 seconds to reset control
function.
Power up the unit, an automatic
bypass damper test will be
performed.
If the alarm occurs again after
approximately 2 minutes – contact
your installation company or place of
purchase.
Rotor guard
Indicates a rotor malfunction.
No rotation guard signal for 180
seconds.
If the rotating heat exchanger has
stopped. Check the rotor belt.
If the heat exchanger is still rotating,
check that the quick connector for
the sensor is connected and that
there is an air gap of 5-10 mm
between the sensor and the magnet.
Adjust the gap if necessary.
If the alarm persists, the rotor sensor
may be faulty. Contact your
installation company or place of
purchase.
Secondary air damper
Secondary air defrosting failed.
Outdoor air temperature sensor
measures < 10°C in 2 sec after
defrosting
OR
Outdoor air temperature sensor
measures < 5°C in 5 min after
defrosting
Check if secondary air damper is in
correct position.
Check that damper is connected
properly and cable is not damaged.
Contact your installation company or
place of purchase.
Outdoor air temperature
sensor
Indicates outdoor air temperature
sensor malfunction.
Check that sensor is connected
properly and cable is not damaged.
Contact your installation company or
place of purchase.
Overheat temperature sensor
Indicates overheat temperature
sensor malfunction.
Check that sensor is connected
properly and cable is not damaged.
Contact your installation company or
place of purchase.
Supply air temperature
sensor
Indicates supply air temperature
sensor malfunction.
Check that sensor is connected
properly and cable is not damaged.
Contact your installation company or
place of purchase.
Room air temperature sensor
Indicates room air temperature
sensor malfunction.
Check that sensor is connected
properly and cable is not damaged.
Contact your installation company or
place of purchase.
Extract air temperature
sensor
Indicates extract air temperature
sensor malfunction.
Check that sensor is connected
properly and cable is not damaged.
Contact your installation company or
place of purchase.
Extra controller temperature
sensor
Indicates extra controller
temperature sensor malfunction.
Check that sensor is connected
properly and cable is not damaged.
Contact your installation company or
place of purchase.
Efficiency temperature
sensor
Indicates efficiency temperature
sensor malfunction.
Check that sensor is connected
properly and cable is not damaged.
Contact your installation company or
place of purchase.
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