41
20. ALARMS
Re
f.
Alarm description
Aqu@
Scop
Advance
DCI
action
Alarm cancellation
time
delay
Possible cause(s)
Recommended action(s)
e0
c
ommunication error
between display and
board
n
ormal operation
automatic
interconnection
board not started up
n
ormal for the first 30 seconds after
power
-up.
e01
enteri
ing
water sensor
eW
t disconnected or
damaged
reduced capacity operation
automatic
10 s
d
isconnected or faulty sensor
c
heck the wiring of sensor
, replace if
defective
e02
leaving water sensor
lW
t disconnected or
damaged
c
omplete shutdown
automatic
10 s
e03
o
utdoor temperature
sensor
o
at
disconnected or
damaged
reduced capacity operation
automatic
10 s
e04
d
omestic hot water
sensor disconnected or
damaged
shut
-down of
ecs
function
10 s
e05
o
utdoor coil sensor
oct
disconnected or
damaged
reduced capacity or stop if
coil con freeze
automatic
10 s
e06
lack of water flow
, risk
of freezing
c
omplete shutdown
automatic once then
manual
26s after
start of
circulation
pump
seized water pump
c
heck water pump operation
W
ater flow too low or air in the system
c
heck the P
ac
's temperature difference
in operation.
increase the flow (change
the water pump speed)
e08
Fan fault
auto twice then manual
2 s
internal
temperature
protection
cut
-out in
one of the fans
reset the alarm af
ter allowing the motors
to cool.
c
heck which fan
is
overheating
.
replace the defective fan.
e11
h
igh P
ressure safety
tripped
c
omplete shutdown
automatic once then
manual
n
one
refer
to the fault
diagnosis
guide in the
installation and Maintenance Manual
refer to the fault diagnosis guide in the
installation and Maintenance Manual
W
ater flow too low or air in the system
re
-establish nominal water flow or bleed
the system
e12
low P
ressure safety
trips
c
omplete shutdown
auto twice then manual
5 s
refer
to the fault
diagnosis
guide in the
installation and Maintenance Manual
refer to the fault diagnosis guide in the
installation and Maintenance Manual
c
oil blocked
c
lean the finned coil
ncomplete de
-icing (lack of refrigerant
charge)
c
heck the amount of refrigerant charge
Fan fault
c
heck the fans
