Maico ECA 120, Installation And Operating Instructions Manual, Page: 21 / 40

12 Fault rectification
21
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 Cause, measures
Fan does not switch
on. • 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.
Fan does not switch
off. • VZ or F units: Wait for
overrun time (approx. 6
minutes).
Motor’s thermal over-
load protection
switches the fan off. • 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 do not open
or close for K units. • Lamellae very dirty or
blocked.
Clean lamel-
lae. Check whether
there are any objects
between the lamellae.
If so, remove them.
13 Spare parts
Spare parts may only be sourced from and
fitted by a specialist installer.
Designation Article no.
Circuit boards
PL ECA 100/120 E101.1010.9000
Covers
ABD ECA 120 1 E059.1010.9000
ABD ECA 120 2 E059.1010.9100
Thermostatic bimetal strip
TB ECA 120 K E180.0913.9100
Shutter frame
ABDK ECA 120 1 E059.1011.9001
ABDK ECA 120 2 E059.1011.9101