1. Press the key for 10 seconds to access the After Sales Service
level.
2. Select the #MESSAGE HISTORIC menu by turning the settings
button.
3. Confirm the selection by pressing the settings button.
Important
Go back to the previous display by pressing the
key.
The list of the last 10 messages is displayed.
4. Select the desired message by turning the settings button.
5. Confirm the selection by pressing the settings button to consult the
information pertaining to it.
Important
Scroll down the message by turning the settings button.
6. Go back to the main display by pressing the
key.
8.2.2
Dxx type errors
Tab.36 List of Dxx type errors
Messages
Code
Description
OUTL S.B FAIL.
D03
Flow sensor error on circuit B: the circuit pump is running and the three-way valve mo
tor is no longer powered; the valve can be moved manually:
Contact the professional responsible for maintenance of the heat pump
OUTL S.C FAIL.
D04
Flow sensor error on circuit C: the circuit pump is running and the three-way valve mo
tor is no longer powered; the valve can be moved manually:
Contact the professional responsible for maintenance of the heat pump
OUTSI.S.FAIL.
D05
Outside sensor error: the heat pump set point is equal to the BOILER MAX parameter,
the valves are no longer regulated, but the maximum temperature on the circuit down
stream of the valve is still maintained, the valves can be adjusted manually and do
mestic hot water heating is still maintained:
Contact the professional responsible for maintenance of the heat pump
SYST.SENS.FAIL.
D07
System sensor error:
Contact the professional responsible for maintenance of the heat pump
DHW S.FAILURE
D09
Domestic hot water sensor error: domestic hot water heating is no longer maintained,
the booster pump runs and the load temperature of the domestic hot water tank is
equal to the heat pump temperature:
Contact the professional responsible for maintenance of the heat pump
ROOM S.A FAIL.
D11
Room temperature sensor error on circuit A: circuit A operates with no influence from
the room temperature sensor on circuit A:
Contact the professional responsible for maintenance of the heat pump
ROOM S.B FAIL.
D12
Room temperature sensor error on circuit B: circuit B operates with no influence from
the room temperature sensor on circuit B:
Contact the professional responsible for maintenance of the heat pump
Fig.31
bar
1
1
2
2
r
c
STD
(
'
t
v
0
2
4
6
8
10
12
14
16
18
22
24
20
p
b
AUTO
x c
r
j
L
g
m
BL.HEATING SPEED
BL.WATER MIS.
BL.RL OPEN
BL.FLAME LOS
21/10
02/09
26/08
26/08
a
C002381-B-04
Fig.32
bar
1
1
2
2
r
c
STD
(
'
t
v
0
2
4
6
8
10
12
14
16
18
22
24
20
p
b
AUTO
x c
r
j
L
g
m
BL INPUT OPEN M21
28/08/2008 - 13h32
NUMBER OF CASE
OUTSIDE TEMP.
OUTLET TEMP.B
8
1.0 °C
12.0°C
a
C002382-B-04
8 Troubleshooting
48
200 ASL HYBRID
7613348 - v06 - 10122018
