Yes
Replace the
connection panel.
ES - 22
No communication
enthalpy sensor and
Yes
Disconnect the power
from the ComfoAir.
Release the front panel
by removing the protection
caps andunscrewing
the screws.
Remove the cover
of the electronic box
by pressing in
the 2 click connectors.
Are the
connections
at the
ComfoAir
correct?
EA2
between the
the ComfoAir
Is
P59 set to
the correct
value?
Set P59 to the correct
value.
Reset the unit
(P74 on 1)
No
No
Reconnect the
enthalpy sensor.
Install all parts in
reverse order.
Reconnect the
power to the
ComfoAir.