52
Re
f.
Alarm description
A
q
U
@
SCOP
HT
S
PLIT
action
Alarm cancellation
Time delay
Possible cause(s)
Recommended action(s)
INF36
--Information-- Back
-
up heater Boiler/
Electric heater
enabled
Information
Stop backup mode
None
Activation of the EMH digital input
of the controller or backup mode
through the display for boiler relief
AL39
W
ater pressure <
0.5bar in the heating
circuit
Information
Pressure > 1 bar for
5s.
10 s
Insufficient water pressure in the
Heating circuit.
Add water to the heating circuit. Check
proper expansion tank operation.
Check for leaks on the Heating network.
AL40
No communication
with the outdoor unit
Complete
thermodynamic function
stoppage
Manual and Com OK
for 22s.
22s
Incorrect wiring
.
Check bus connections at both ends.
Communication bus cable cut.
Check the condition of the bus cable
Unshielded cable.
Install shielded cable.
Outdoor unit not auto
-detected.
Check the wiring of the Outdoor unit
probes.
AL41
1
Aqu@
Sc
OP
HT
Split
unit not recognized on
the communication
bus
Information
Automatic
None
Probes B1 to B4, B8 and B9
partially or totally disconnected on
the unit in question.
Check the probe values on the display
and check the probe connections.
AL42
Indoor/outdoor units
software versions
incompatible
Complete
thermodynamic function
stoppage
Power supply cut.
None
Different versions for Indoor and
Outdoor units.
Update the programme for both units.
AL43
No
Aqu@
Sc
OP
HT
Split
model detected Split
or Monobloc
Complete stoppage.
Power supply cut.
None
Probes B1 to B4, B8 and B9
partially or totally disconnected on
the unit in question.
Check the probe values on the display
and check the probe connections.
AL44
Aqu@
Sc
OP
HT
Split
model modified for
the indoor unit
Information
None
Probes B1 to B4, B8 and B9
partially or totally disconnected on
the unit in question
=> incorrect model detection
Check the probe values on the display
and check the probe connections.
µPC replaced by that of another
Aqu@
Sc
OP
HT
Split
(Split
Indoor/Outdoor /Monobloc)
Confirm once the situation is understood.
Programme taken from another
Aqu@
Sc
OP
HT
Split
(Split
Indoor/Outdoor/Monobloc)
Содержание Aqu@Scop HT SPLIT 12-6
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