3. Refit the internal grille/shutter frame.
12 Fault rectification
Fault finding only by qualified electrician.
Call on the services of a qualified electrician
any time there is a fault. Repairs should only
be carried out by a qualified electrician.
Fault
Fan does not switch
on.
Fan does not switch
off.
Motor's thermal over-
load protection
switches the fan off.
Lamellae do not open
or close for K units.
13 Spare parts
Spare parts may only be sourced from and
fitted by a specialist installer.
Designation
Circuit boards
PL ECA 100/120
Covers
ABD ECA 120 1
ABD ECA 120 2
Thermostatic bimetal strip
TB ECA 120 K
Shutter frame
ABDK ECA 120 1
ABDK ECA 120 2
12 Fault rectification
Cause, measures
• VZ or F units: Wait for
start delay (approx. 50
seconds).
• No mains voltage.
Check whether the
mains fuse has failed.
Switch on if necessary.
• Impeller is blocked.
Rectification may
only be carried out by
a trained specialist:
Unlock and remove the
internal grille/shutter
frame. Check impeller
and clean if necessary.
• VZ or F units: Wait for
overrun time (approx. 6
minutes).
• Motor too hot. Wait
until the motor has
cooled down. Cool-
down time can take up
to 10 minutes. Unit
switches back on auto-
matically after cooling
down.
• Lamellae very dirty or
blocked. Clean lamel-
lae. Check whether
there are any objects
between the lamellae.
If so, remove them.
Article no.
E101.1010.9000
E059.1010.9000
E059.1010.9100
E180.0913.9100
E059.1011.9001
E059.1011.9101
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