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Split system single phase type
Table of error messages which can be displayed:
No. Designation of error
0: No fault
10: Outdoor sensor
30: Flow sensor 1
31: Cooling flow sensor 1
32: Flow sensor 2
33: Heat pump flow temp sensor
error
44: Heat pump return temp sensor
error
50: DHW temp sensor 1
60: Room sensor 1
65: Room sensor 2
76: Special sensor 1
83: BSB wire short-circuit
84: BSB, address collision
85: Radio communication error
98: Extension module 1
99: Extension module 2
100: 2 master clocks on bus
102: Clock without running supply
105: Maintenance message
121: HC1 flow temp too low
122: HC2 flow temp too low
126: DHW charge monitoring
127: Anti-legionella temperature
134: Heat pump alarm summary
138: No heat pump control sensor
146: Sensor / control device
configuration
171: Alarm contact 1 activated
172: Alarm contact 2 activated
174:Alarm contact 4 active H3
178: HC1 safety thermostat
179: HC2 safety thermostat
201: Frost alarm
243: Swimming pool sensor
325: BX/ext unit: same sensors
327: Ext modules: same functions
329: Ext modules/mixing grp: same
functions
330: BX1 no function
331: BX2 no function
332: BX3 no function
333: BX4 no function
334: BX5 no function
335: BX21 no function
336: BX22 no function
357: cooling circuit flow temp not
reached
359: no cooling valve Y21
360: no process reversing valve
Y22
364: Heat pump cooling system
error
369: External fault
370: Outdoor unit fault
Number* If such statuses or events occur for the first
time, they will not directly generate a fault message,
but only a status message.
78
Location
Manual
BX4 (X84)
No
BX1 (X80)
No
BX1 (X80)
No
BX31 (X153)
No
BX1 (X80)
No
BX2 (X80)
No
BX3 (X84)
No
No
No
Bx
No
No
No
No
No
No
No
No
No
No
No
No
No
E20
Yes
No
No
H1/H31
No
H21/H22/H32
No
No
No
No
BX1 (X80)
Yes
BX34 (X154)
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Only if the anomaly occurs repeatedly over a
predefined time period and at a given frequency
(number) will an error message be generated.
Reset
HP oper.
Automatic
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
per diagram
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Number *
No
Yes
No
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
No
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
No
Maintenance Document 1589-3
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