11 Troubleshooting
11.1 Error codes
11.1.1 Fault code table
The following is an extract from the fault code table. If other fault codes
are displayed, please inform the installer.
Fault
code
Error description Explanations/causes
0 No fault
10 Outside temp sensor fault Check connection or outside temp sensor, emergency opera
tion
20 Boiler temperature 1 sensor fault
Check connection, inform heating specialist
(1)
25 Boiler temperature solid fuel sensor fault
26 Boiler temperature solid fuel sensor fault
28 Boiler temperature solid fuel sensor fault
30 Flow temperature 1 sensor fault
32 Flow temperature 2 sensor fault
Check connection, inform heating specialist
1)
38 Boiler temperature solid fuel sensor fault
40 Return temperature 1 sensor fault
Check connection, inform heating specialist
1)
46 Boiler temperature solid fuel sensor fault
47 Common return temp sensor fault
50 DHW temperature 1 sensor fault Check connection, inform heating specialist, emergency oper
ation
1)
52 DHW temperature 2 sensor fault
Check connection, inform heating specialist
1)
54 Flow temperature DHW sensor fault
57 Drinking water circulation temperature sensor fault
60 Room temperature 1 sensor fault
65 Room temperature 2 sensor fault
68 Room temperature 3 sensor fault
70 Storage tank temp 1 (top) sensor fault
71 Storage tank temp 2 (bottom) sensor fault
72 Storage tank temp 3 (middle) sensor fault
73 Collector temperature 1 sensor fault
81 LPB short-circuit or no bus power supply
82 LPB address collision Check addresses of connected control modules
83 BSB wire short-circuit Check connection of the room units
84 BSB address collision 2 room devices have the same assignment (prog.no. 42)
85 BSB wireless commissioning fault
91 EEPROM fault: information of locking mechanism Internal fault LMS, process sensor, replace LMS, heating spe
cialist
98 Expansion module 1 fault (collective fault)
99 Expansion module 2 fault (collective fault)
100 Two time masters (LPB) Check time master
102 Clock time master without backup
105 Maintenance message See maintenance code (press information button once) for de
tailed information
109 Boiler temperature monitoring
110 Safety temperature limiter lockout No heat removal, faulty sensor, STB/interruption, possible
short circuit in the gas valve
(2)
, internal fuse faulty; allow de
vice to cool down and carry out reset; if the fault occurs sever
al times inform the installer
(3)
111 Temperature monitor switching off
No heat supply; pump defect, radiator valves closed
1)
11 Troubleshooting
7703046 - 01 - 23072018 Paramount five 30 – 115 147
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