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Or
t he
d isplay
f lashes
F F
a nd
h armonisation
i s
t hen
i mpossible.
Note:
If
no
action
is
taken
on
the
+
and
-‐
buttons
for
15
seconds,
the
display
returns
to
the
initial
position,
t hat
i s
1 9.
3
-‐
T ROUBLESHOOTING
NATURE
The
d evice
d oes
n ot
h eat
The
d evice
h eats
a ll
t he
t ime
The
device
does
not
follow
the
programming
o rders
VERIFICATION
•
Ensure
that
the
switch
is
in
position
1 .
•
T he
h eating
i ndicator
i s
o ff.
•
T he
h eating
i ndicator
i s
s till
not
o n.
•
Check
that
the
setting
of
the
temperature
has
not
been
changed.
•
Check
that
the
device
is
not
located
near
an
open
door
and/or
near
an
unheated
room
or
i n
a
d raught.
•
C heck
t he
p reset
programming.
IN
A LL
O THER
C ASES,
C ONTACT
A
Q UALIFIED
P ERSON
ACTION
•
S et
t he
s witch
t o
p osition
1
•
Check
the
value
of
the
setpoint.
•
The
room
temperature
does
not
r equire
h eating.
•
The
device
is
in
EC
(economy)
or
in
shunt
mode:
ensure
that
the
shunt
system
has
not
cut
off
the
power
supply
for
the
device.
•
The
device
is
switched
off
following
an
open
window
detection.
R efer
t o
c hapter
•
E nsure
t hat
t he
i nstallation
circuit
b reakers
h ave
t riggered.
•
S et
t he
t emperature
a gain.
•
C lose
t he
d oor,
h eat
t he
r oom
or
r emove
t he
d raught.
•
S et
t he
p rogramming
m odes.
55.
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