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E
RRORS
5.5
Error messages on the control panel
C
P
ODE
ROBABLE CAUSE
E7
Fan error
F1
Dirty Filter
F17
With automatic CO
The CO
2
working.
5.6
Remedying errors that are not accompanied by an error mes-
sage
en-50
control:
2
sensor in the inlet duct is not
For models with b-touch control panel
Some errors are displayed with a
screen of the b-touch panel.
Note:
n
When the error message is touched, the screen
displays an explanation, together with a list of the
actions to be taken.
Note:
n
The message will disappear from the Home screen
when the error has been remedied.
W
HAT TO DO
1. Check the fans. If one or more fans do not work, please
check:
-
the fan wiring;
-
the connections on the electronics module;
-
the transformer fuse;
-
the transformer itself.
2. If these are in order, then replace the fan.
Replace the filters.
1. Check the sensor's wiring and connection (connector
X377).
2. If these are in order, then replace the sensor.
If you suspect an error but no error message is displayed:
1. Referring to the preceding sections, check whether you
can easily resolve the problem.
2. Try to resolve the problem using the table below. Techni-
cal expertise is required for this.
H
EAT RECOVERY UNIT
symbol on the home
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