
G-59
Z-106164_EN ● 00
A
dditionAl
i
nformAtion
for
the
i
nstAller
Error Codes and Solutions
Error
code
Fault description
Explanation
Action(s)
10
Outside temperature sen-
sor error
Check connection and/or sensor. Re-
place as required.
Emergency operation
Contact AIC technical support.
50
DHW temperature 1 sensor
error
Check connection and sensor. Replace
as required.
52
DHW temperature 2, sen-
sor error
Check connection and sensor. Replace
as required.
57
DHW circulation, sensor
error
Check connection and sensor. Replace
as required.
60
Room temperature 1, sen-
sor error
Check connection and sensor. Replace
as required.
65
Room temperature 2, sen-
sor error
Check connection and sensor. Replace
as required.
68
Room temperature 3, sen-
sor error
Check connection and sensor. Replace
as required.
81
LPB short circuit or no bus
power supply
Check LPB connections and bus power
supply.
82
LPB address collision
Check addresses of connected 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
assignment (prog.no. 42)
Correct device address.
85
BSB RF communication
error
Check bus connection and compo-
nents.
98
Extension module 1, error
Check extension module connections.
99
Extension module 2, error
Check extension module connections.
100
2 clock time masters
Check time master
102
Clock time master without
backup
Check clock
121
Flow temperature heating
circuit 1 not reached
Heat losses in circuit
Check the circuit for fault insulation and
heat losses.
122
Flow temperature heating
circuit 2 not reached
Heat losses in circuit
Check the circuit for fault insulation and
heat losses.
126
DHW charging temperature
not reached
Check operation and heat up times for
DHW
127
DHW legionella tempera-
ture not reached
Check operation of appliance
134
Common fault HP
Check Heat Pump for error and follow
Heat Pump user manual
146
Configuration error sensor/
controlling elements
Check sensor configuration or replace
component
330
Sensor input BX1 without
function
Connect temperature sensor in BX
terminal
Содержание TMU 500
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