44
AW HT
GB 05/2009
MAINTENANCE AND SERVICE
A
ERROR SIGNALS
When a fault occurs, an error message is displayed
, pressing the
button on the remote unit shows the causes on the dis-
play. The following error messages are possible.
Location.
Reset
Heat pump on
Priority
Man. Auto
B9
No
No
Yes
6
B10
No
No
Yes
6
B1
No
No
Yes
6
B16
No
No
Yes
6
B12
No
No
Yes
6
B21
No
No
Yes
6
B91
No
No
Not for ground
9
source units
B81
No
No
Yes
6
B82
No
No
Yes
6
B15
No
No
Yes
6
B84
No
No
Not in air
9
B71
No
No
Depends on
6
the diagram
B92
No
No
No in water
9
B70
No
No
Yes
6
B83
No
No
Yes
6
B3
No
No
Yes
6
B31
No
No
Yes
6
B35
No
No
Yes
6
B39
No
No
Yes
6
No
No
Yes
6
No
No
Yes
6
No
No
Yes
6
B4
No
No
Depends on
6
the diagram
B41
No
No
Depends on
6
the diagram
B42
No
No
Yes
6
B6
No
No
Yes
6
B61
No
No
Yes
6
BX
No
No
Yes
3
No
No
Yes
6
No
No
Yes
3
No
No
Yes
8
No
No
Yes
3
No
No
Yes
8
No
No
Yes
8
No
No
Yes
8
No
No
Yes
3
No
No
Yes
3
No
No
Yes
5
Yes
Yes
no
6
Yes
Sys. sit.*
No
9
Yes
Sys. sit.*
No
9
H1
No
No
Yes
6
H1
No
No
No
6
No
No
Yes
6
No
No
Yes
6
No
No
Yes
6
No
No
Yes
6
E20
Yes
Sys. sit.*
No
9
No
Yes
No
1
No
No
Yes
3
No
No
Yes
6
H2
No
No
Yes
6
No.: error message
0: No error
10: Outside probe
26: General outlet probe
30: Outlet probe 1
31: Outlet probe cooling 1
32: Outlet probe 2
33: Outlet probe heat pump
35: Inlet probe – source
36: Outlet probe compressor 1
37: Outlet probe compressor 2
38: Outlet probe controller
39: Evaporator probe
44: Heat pump return probe
45: Outlet probe – source
46: Cascading return probe
48: Refrigerant probe
50: Domestic hot water probe 1
52: Domestic hot water probe 2
54: Primary control probe
57: Circulation probe
60: Room temperature probe 1
65: Room temperature probe 2
68: Room temperature probe 3
70: Storage tank temperature sensor 1
71: Storage tank temperature sensor 2
72: Storage tank temperature sensor 3
73: Collector probe 1
74: Collector probe 2
76: Special probe 1
81: LPB corto-circuito/comm
82: LPB collisione indirizzo
83: BSB corto-circuito
84: BSB collisione indirizzo
85: BSB Comunicazioni Radio
98: Modulo aggiuntivo 1
99: Modulo aggiuntivo 2
100: Main time
102: Clock without backup
105: Wait prompt
106: Source temperature too low
107: Superheated gas compressor 1
108: Superheated gas compressor 2
117: Water pressure too high
118: Water pressure too low
121: Heating circuit 1 outlet temperature too low
122: Heating circuit 2 outlet temperature too low
126: Domestic hot water fill control
127: Anti-Legionella function temperature
134: Heat pump total disturbance
138: No heat pump control probe
146: Probe configuration
171: Alarm contact 1 active
172: Alarm contact 2 active
