- (CS01 - 52) -
Control system
- (CS01 - 52) -
C
O
N
T
R
O
L
SY
S
T
E
M
C
O
N
T
R
O
L
SY
S
T
E
M
Table of error messages which can be displayed:
No3 Designation of error
Location
Reset
HP
operation
Priority
Manual
Automatic
0: No fault
10: Outdoor sensor
BX4 (X84)
No
No
Yes
6
30: Flow sensor 1
BX1 (X80)
No
No
Yes
6
31: Cooling flow sensor 1
BX1 (X80)
No
No
Yes
6
32: Flow sensor 2
BX31 (X153)
No
No
Yes
6
33: Heat pump flow temp sensor error
BX1 (X80)
No
No
Yes
6
44: Heat pump return temp sensor error
BX2 (X80)
No
No
Per diagram 6
50: DHW temp sensor 1
BX3 (X84)
No
No
Yes
6
60: Room sensor 1
No
No
Yes
6
65: Room sensor 2
No
No
Yes
6
76: Special sensor 1
BX
No
No
Yes
3
83: BSB wire short-circuit
No
No
Yes
8
84: BSB, address collision
No
No
Yes
3
85: Radio communication error
No
No
Yes
8
98: Extension module 1
No
No
Yes
8
99: Extension module 2
No
No
Yes
8
100: 2 master clocks on bus
No
No
Yes
3
102: Clock without running supply
No
No
Yes
3
105: Maintenance message
No
No
Yes
5
121: HC1 flow temp too low
No
No
Yes
6
122: HC2 flow temp too low
No
No
Yes
6
126: DHW charge monitoring
No
No
Yes
6
127: Anti-legionella temperature
No
No
Yes
6
134: Heat pump alarm summary
E20
Yes
Number*
No
9
138: No heat pump control sensor
No
Yes
No
1
146: Sensor / Control device configuration
No
No
Yes
3
171: Alarm contact 1 activated
H1/H31
No
No
Yes
6
172: Alarm contact 2 activated
H21/H22/
H32
No
No
Yes
6
174: Alarm contact 4 active H3
No
No
Yes
178: HC1 safety thermostat
No
No
Yes
3
179: HC2 safety thermostat
No
No
Yes
3
201: Frost alarm
BX1 (X80)
Yes
No
No
9
243: Swimming pool sensor
BX34 (X154)
No
No
Yes
6
325: BX/Ext unit: same sensors
No
No
Yes
3
327: Ext modules: same functions
No
No
Yes
3
329: Ext modules/Mixing grp:
same functions
No
No
Yes
3
330: BX1 no function
No
No
Yes
3
331: BX2 no function
No
No
Yes
3
332: BX3 no function
No
No
Yes
3
333: BX4 no function
No
No
Yes
3
334: BX5 no function
No
No
Yes
3
335: BX21 no function
No
No
Yes
3
336: BX22 no function
No
No
Yes
3
357: cooling circuit flow temp not reached
No
No
Yes
6
