20 - EN
EA2
No communication
between the
enthalpy sensor and
the ComfoAir
Disconnect the power
from the ComfoAir.
Are the
connections
at the
ComfoAir
correct?
Reconnect the
enthalpy sensor.
Yes
Is
P59 set to
the correct
value?
Yes
No
Set P59 to the correct
value.
Reset the unit
(P74 on 1)
Install all parts in
reverse order.
Reconnect the
power to the
ComfoAir.
No
Reconnect the power
to the ComfoAir.
Is there
12VDC present
on the
Luxeconnection
panel?
Yes
Disconnect the power
from the ComfoAir.
Replace the Luxe
connection panel.
No
Replace the Luxe
connection panel.
Disconnect the power
from the ComfoAir.
Remove the filter caps
from the ComfoAir.
Release the front panel
by unscrewing the screws.
Lift the front panel
from its hinges.
Remove the plastic
panel in front
of the control circuit board.
Risk of
electrocution.