I-60
A-070336_EN • Rev. A
A
dditionAl
i
nformAtion
for
the
i
nstAller
Error Codes and Solutions
Error code
Fault description
Explanation
Action(s)
10
Outside temperature sensor er-
ror
Check connection and/or
sensor. Replace as required.
Emergency operation
Contact AIC technical sup-
port.
28
Flue gas temperature sensor
error
Short circuit or Open circuit flue
gas sensor.
Check connection and sen-
sor. Replace as required.
30
Flow temperature 1, sensor er-
ror
Short circuit or Open circuit flow
sensor.
Check connection and sen-
sor. Replace as required.
38
Flow temperature, primary con-
troller, sensor error
Check connection and sen-
sor. Replace as required.
40
Return temperature 1, sensor
error
Short circuit or Open circuit boiler
return sensor.
Check connection and sen-
sor. Replace as required.
46
Cascade return temperature,
sensor error
Check connection and sen-
sor. Replace as required.
47
Common return temperature,
sensor error
Check connection and sen-
sor. Replace as required.
50
DHW temperature 1 sensor er-
ror
Check connection and sen-
sor. Replace as required.
78
Water pressure, sensor error
Check connection and sen-
sor. Replace as required.
82
LPB address collision
Check addresses of con-
nected control modules
83
BSB wire cross-sectional/no
communication
Check connection of the
room units
84
BSB wire address collision
2 room devices have the same as-
signment (prog.no. 42)
Correct device address.
85
BSB RF communication error
Check bus connection and
components.
91
Data overrun in EEPROM
Internal fault in controller, process
sensor
Contact AIC technical sup-
port.
100
2 clock time masters
Check time master
102
Clock time master without
backup
Check clock
103
Communication error
Check connection and com-
ponents
105
Maintenance message
See maintenance code
(press information button
once) for detailed information
109
Supervision boiler temperature
Contact AIC technical sup-
port.
110
STB (SLT) lockout
No heat removal, STB interruption,
possible short-circuit in the gas
valve, internal fuse faulty;
Allow device to cool down
and carry out reset; if the
fault occurs several times
inform AIC technical support