Jacuzzi frame 100 Use & Maintenance page 72

TT model: the "alarm" and "water-pitcher" keys will remain on
(white light) and it will not be possible to start the function; if
instead the alarm appears when the function is in progress, it
will be interrupted and its start will be inhibited (the number of
Turkish baths carried out will not be reset, see the "Scale remov-
al cycle" chapter).
If also error AL4_0 occurs, the "water-pitcher" key will
flash from white to blue.
(AL4_0) Control panel memory fault.
It is not possible to store the start time for the "scale removal
cycle" function.
TOP model: the display will show AL4_0 for a few seconds and
it will not be possible to start the function; if instead the alarm
appears when the function is in progress, it will be interrupted
and its start will be inhibited (the number of Turkish baths car-
ried out will not be reset, see the "Scale removal cycle" chapter).
AL4_0
TT model: the "alarm" key will remain on with a white light,
and the "water-pitcher" key with a blue light; it will not be pos-
sible to start the function; if instead the alarm appears when the
function is in progress, it will be interrupted and its start will be
inhibited (the number of Turkish baths carried out will not be
reset, see the "Scale removal cycle" chapter).
If also error AL3 occurs, the "water-pitcher" key will flash
from white to blue.
(AL4_1) Electric wiring box memory fault.
It is not possible to store the number of "Turkish baths" and/
or "scale removal cycles".
TOP model: the display will show AL4_1 for a few seconds and
it will not be possible to start the function; if instead the alarm
appears when the function is in progress, it will be interrupted
and its start will be inhibited.
AL4_1
TT model: the "alarm" and "water-pitcher" keys will remain on
(white light) and the first LED from the top will flash. It will not
be possible to start the function; if instead the alarm appears
when the function is in progress, it will be interrupted and its
start will be inhibited.
(AL4_2) MP3/radio module memory fault.
The frequencies cannot be stored.
TOP model only: the display shows AL4_2 for a few seconds,
then the radio function continues.
AL4_2
(AL5) Drainage solenoid valve and/or level sensor fault.
This may occur during the initial phase of the Turkish bath,
if the sensor is blocked or if the drainage solenoid valve is
obstructed; it may also occur during the draining phase of
the scale removal cycle.
TOP model: the display shows AL5 for a few seconds. The func-
tion (Turkish bath or scale removal cycle) will be interrupted.
AL5
TT model: the "alarm" and "Turkish bath" keys remain on (white
light) and the second LED from the top will flash. The function
(Turkish bath or scale removal cycle) will be interrupted.
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