Zehnder ComfoAir 550 Installationsanleitung Seite 92

Risk of electrocution.
A0
Malfunction
Set P60 on "0".
Reset the unit
(P74 on 1)
EA2
No communication
between the
enthalpy sensor and
the ComfoAir
Is an
enthalpy
Yes
exchanger
present?
Set P59 to '2'
Reset the unit
(P74 on 1)
,Fil' ,tEr'
Internal Filter is dirty
Press "OK" on the
display for at least 4
seconds until the filter
warning disappears.
Disconnect the power
from the ComfoAir.
Remove the handles
from the ComfoAir.
Remove the dirty filters
from the ComfoAir.
Slide the clean (new)
filters back into the
ComfoAir.
Cleaning: Vacuum the
filters with a vacuum
cleaner.
Refit the handles to the
ComfoAir.
Reconnect the power to
the ComfoAir.
No
Set P59 to '0'
Reset the unit
(P74 on 1)
23 - EN