Dantherm RCV 320 P2 Basic Manual page 48

48
Error
A B C Error
code
11 R 0 E 11 Supply air tem-
perature < +5 °C
Reduced heat
recovery due to
low extract air
temperature
Reduced heat re-
covery due to low
exhaust airflow
12 R 2 E 12 Overheating
One of the
internal sensors
is measuring a
temperature >
70 °C.
INSTALLATION & SERVICE MANUAL FOR PROFESSIONALS
Possible cause
Low temperatures
pulled out of un-
heated rooms
Poorly insulated
ducts in cold
environments
Clogged extract
air filter
Poor balancing of
airflows
An extract fan in
the bathroom is
creating negative
pressure in the
house
An extract air fan
in the kitchen is
creating negative
pressure in the
house
A cooker fan is
creating negative
pressure in the
house
Overtemperature
caused by fire
inside or outside
the ventilation
system
Overtemperature
caused by the
combination of a
preheater or af-
terheater and too
low an airflow
Maintenance and care: Error list
Action
Reset
required
Ensure all ventilated Perform a
manual reset
rooms are heated
by pressing the
Alternatively, close
alarm button on
the dampers in un-
the control panel
heated rooms
or by switching
the unit on/off
Improve duct insula-
Firmware version
tion
2.9 and up also
has automatic
restart after 600
Change filters
seconds
Adjust the system
Remove extract
fan from the bath-
room and connect
extract air
from bathroom to
ventilation system
Ensure that warm
make-up
air can reach the
cooker hood.
If this is not possible,
open a window/door
while the cooker
hood is running
Contact your chim-
ney/stove supplier
for safety precautions
Check ventilation sys- The alarm dis-
tem and surround- play can be reset
ings for fire by pressing the
alarm button or
by turning the
unit off/on.
Check ventilation sys-
However, the
tem and surround-
unit cannot be
ings for fire
started until the
alarm conditions
Check which sensor
have disap-
is measuring a high
peared
temperature. Check if
the airflow is blocked
and if the filters are
clogged.
Raise the minimum
airflow setting if
necessary