Zehnder Rittling ComfoAir 160 Manual Del Instalador página 24

Disconnect the
the ComfoAir.
Yes
Replace the cog
of the motor
ES - 20
A5
Malfunction in the
bypass motor
Release the front panel
by removing the protection
caps and unscrewing
the screws.
Remove the cover of
the electronic box by
pressing in the 2 click
connectors.
Activate the self-test.
(P76 on 1)
Did the
bypass motor
Yes
run
power from
Remove the
motor
Is the cog of
the motor
No
defective?
Replace the
motor
Riesgo de electrocución.
Was there
8 VDC power
Yes
present on the
Disconnect the
EA2
power from
Malfunction
the ComfoAir.
Set P59 correctly
Replace the
motor
Reset the unit
(P74 on 1)
A6
Malfunction
Set P51 to "0".
Reset the unit
(P74 on1)
No
No
motor?
Disconnect the
power from
the ComfoAir.
Replace the
control circuit
board.