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Troubleshooting
Fault codes
(cont.)
Displayed fault
System characteristics
code
0164
0165
0166
0167
0168
2000
2001
2002
2003
2004
2005
2006
Acknowledging fault message
"Ack"
The fault message is accepted into the "History"
menu.
24
Cause
Return temperature sen-
sor, DHW regulated circuit
1, short circuit
Flow temperature sensor,
local heating network sup-
ply regulated circuit 1,
short circuit
Return temperature sen-
sor, local heating network
supply regulated circuit 1,
short circuit
Collector temperature
sensor, solar regulated cir-
cuit 1, short circuit
Solar temperature sensor,
DHW regulated circuit 1,
short circuit
Fault, CAN BUS, wood
boiler. No connection to
the wood boiler
Communication with con-
troller module 1 disrupted.
No connection to the con-
troller module
Communication with con-
troller module 2 disrupted.
No connection to the con-
troller module
Communication with con-
troller module 3 disrupted.
No connection to the con-
troller module
Communication with con-
troller module 4 disrupted.
No connection to the con-
troller module
Communication with con-
troller module 5 disrupted.
No connection to the con-
troller module
Warning, boiler combus-
tion chamber door open
Measures
Check return temperature sensor,
DHW regulated circuit 1
Check flow temperature sensor, lo-
cal heating network supply regula-
ted circuit 1
Check return temperature sensor,
local heating network supply regu-
lated circuit 1
Check collector temperature sen-
sor, solar regulated circuit 1
Check solar temperature sensor,
DHW regulated circuit 1
Check KM BUS to controller mod-
ule 1
Check KM BUS to controller mod-
ule 2
Check KM BUS to controller mod-
ule 3
Check KM BUS to controller mod-
ule 4
Check KM BUS to controller mod-
ule 5
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