42
Re
f.
Alarm description
Aqu@
Scop
Advance
DCI
action
Alarm cancellation
time
delay
Possible cause(s)
Recommended action(s)
e16
Pa
c
/t
erminal
communication failure
switchover to forced
h
eating mode
Manual
Variable
depending
on the
cause of
the problem
(clean trip
or trip due
to electrical
interf
erence)
ambiance terminal is not connected
d
eactivate it via the
Aqu@
Scop
Advance
DCI
keypad
o
ne of
the commu
nication cables
is
disconnected
c
heck the connections on
the
Aqu@
Scop
Advance
DCI
and the
ter
mi
nal
as
w
ell
as
the pol
ar
iti
es
(
a
and
b)
too mu
ch i
nter
ference on the
communication bus
u
se shielded cable as recommended
e22
d
e-icing ended
abnormally by
maximum time limit.
d
e-icing stopped
auto.
alarm displayed for
2 minutes for information
purposes
n
one
d
e-icing has lasted over 10 minutes.
this
is
abnor
mal as
de
-icing u
su
ally
takes
between 3 and 4 minutes
Monitor the appliance to see if this fault
is a one
-off occurrence,
if not, check all
possible
causes
of poor de
-icing (lack
of refrigerant charge)
e23
d
e-icing ended
abnormally by
low outlet water
temperature
d
e-icing stopped
auto.
alarm displayed for
2 minutes for information
purposes
n
one
o
utlet water temperature during de
-icing
has fallen below 10°
c
c
heck that there is sufficient water
volume in the system, as recommended
in the
installation and Maintenance
Manual
e24
c
ompressor discharge
temperature thermostat
c
omplete shutdown
Manual
n
one
tripped out
by
the compressor discharge
temperature thermostat
Monitor the appliance to see if this fault
is a one
-off
occurrence, if
not check the
charge or for compressor superheating
(perhaps too high)
e25
c
ompressor overheat
thermostat FM1
shut
-down by co
mpressor
discharge
temperature sensor
Monitor the appliance to see if this fault
is a one
-off
occurrence, if
not check the
charge or for compressor superheating
(perhaps too high)
e32
inlet /outlet water
sensors inverted
c
omplete shutdown
Manual
(
Aqu@
Scop
Advance
DC
I
o
FF via keypad)
90 s
a
utomatic detection by
management
system
if
the water temperature sensors
are inverted
inv
er
t th
e s
ens
or
s a
t the lev
el of
the
controller
.
c
heck the sensor v
alues
during operation of compressor
e33
eW
t/
lW
t temperature
difference too high
information only
automatic
low water flow
.
c
heck water flow
