ctive
1. 1st status
message
Heat pump
operation
Responsibility
no.
39: Evaporator sensor B84 9 No No --- No (air-HP) 1 (installer)
44: Return sensor HP B71 6 No No --- Yes 1 (installer)
45: Source outlet sensor B92 9 No No --- No (param.) 1 (installer)
46: Return sensor cascade B70 6 No No --- Yes 1 (installer)
48: Refrigerant sensor, liquid B83 6 No No --- Yes 1 (installer)
50: DHW sensor 1 B3 6 No No --- Yes 1 (installer)
52: DHW sensor 2 B31 6 No No --- Yes 1 (installer)
54: DHW primary controller
sensor
B35 6 No No --- Yes 1 (installer)
57: DHW circulation sensor B39 6 No No --- Yes 1 (installer)
60: Room sensor 1 6 No No --- Yes 1 (installer)
65: Room sensor 2 6 No No --- Yes 1 (installer)
68: Room sensor P 6 No No --- Yes 1 (installer)
70: Buffer storage tank
sensor 1
B4 6 No No --- Yes 1 (installer)
71: Buffer storage tank
sensor 2
B41 6 No No --- Yes 1 (installer)
72: Buffer storage tank
sensor 3
B42 6 No No --- Yes 1 (installer)
73: Collector sensor 1 B6 6 No No --- Yes 1 (installer)
74: Collector sensor 2 B61 6 No No --- Yes 1 (installer)
76: Special sensor 1 B
X
3 No No --- Yes 1 (installer)
81: LPB short-circuit/comm 6 No No --- Yes 5 (none)
82: LPB address collision 3 No No --- Yes 5 (none)
83: BSB short-circuit 8 No No --- Yes 5 (none)
84: BSB address collision 3 No No --- Yes 5 (none)
85: Radio communication 8 No No --- Yes 5 (none)
98: Extension module 1 8 No No --- Yes 5 (none)
99: Extension module 2 8 No No --- Yes 5 (none)
100: 2 clock time masters 3 No No --- Yes 5 (none)
102: Clock backup missing 3 No No --- Yes 5 (none)
105: Service message 5 No No --- Yes 1 (installer)
106: Source temp too low 6 Yes No --- No 1 (installer)
107: Hot-gas compressor 1 9 Yes
Numb
er
Limiter Hot-gas
compressor 1
No
2 (customer
service)
108: Hot-gas compressor 2 9 Yes
Numb
er
Limiter Hot-gas
compressor 2
No
2 (customer
service)
117: Water pressure too high H1 6 No No --- Yes 1 (installer)
118: Water pressure too low H1 6 No No --- No 1 (installer)
121: Flow temp HC1 too low 6 No No --- Yes 1 (installer)
122: Flow temp HC2 too low 6 No No --- Yes 1 (installer)
126: DHW charging
supervision
6 No No --- Yes 1 (installer)
127: Legionella temperature 6 No No --- Yes 1 (installer)
134: 134: Common fault HP E20 9 No No --- No 1 (installer)
138: Control sensor HP
missing
1 No No --- No 1 (installer)
146: Sensor/controlling
element config
3 No No --- Yes 5 (none)
171: Alarm contact 1 active 6 No No --- Yes 1 (installer)
172: Alarm contact 2 active H2 6 No No --- Yes 1 (installer)
174: Alarm contact 4 active H3 6 No No --- Yes 1 (installer)
176: Water press 2 too high H2 6 No No --- Yes 1 (installer)
177: Water press 2 too low H2 6 No No --- No 1 (installer)
178: Limit thermostat HC1 3 No No --- Yes 1 (installer)
179: Limit thermostat HC2 3 No No --- Yes 1 (installer)
204: Fan overloaded E14 9 Yes
Numb
er
Fan overloaded No 1 (installer)
201: Frost alarm B21 9 Yes No --- No 1 (installer)
222: High-press in HP
operation
E10 9 Yes
Numb
er
High-pressure in
HP operation
No 1 (installer)
223: Hi-press on start HC E10 9 Yes No --- No 1 (installer)
224: Hi-press on start DHW E10 9 Yes No --- No 1 (installer)
225: Low pressure E9 9 Yes
Numb
er
Low-pressure No
2 (customer
service)
226: Compressor 1
overloaded
E11 9 Yes
Numb
er
Compressor 1
overloaded
No
2 (customer
service)
227: Compressor 2 E12 9 Yes Numb Compressor 2 No 2 (customer