EN - 17
2.10.1 Malfunction alerts on the digital operating device
In the event of a malfunction, the corresponding malfunc-
tion code will be displayed on the digital operating device
of the ComfoAir.
Below is a list of the malfunction alerts on the digital op-
erating device.
In the chapter about trouble shooting is explained how to
solve these malfunctions
Code
Description
A0
n/a
A1
NTC sensor T1 is defective.
(= outside air temperature)
A2
NTC sensor T2 is defective.
(= supply air temperature)
A3
NTC sensor T3 is defective.
( =return air temperature)
A4
NTC sensor T4 is defective.
(= exhaust air temperature)
A5
Malfunction in the bypass motor.
A6
n/a
E1
Exhaust fan not rotating.
E2
Supply fan not rotating.
EA1
Enthalpy sensor measures excessive
Relative Humidity (RH) values.
EA2
No communication between the enthalpy
sensor and the ComfoAir.
COMM
ERROR
No communication between the
ComfoSense panel and the ComfoAir.
FLTR
Internal Filter is dirty.
