Fault Code Table - Potterton EC three 125 Installation, Operation And Maintenance Manual

9.13 Fault code table

Fault Fault description
code
0 No error
10 Outside temp sensor fault
20 Boiler temperature 1 Sensor fault
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
38 Boiler temperature solid fuel sensor fault
40 Return temperature 1 Sensor fault
46 Boiler temperature solid fuel sensor fault
47 Common return temp sensor fault
50 DHW temperature 1 sensor fault
52 DHW temperature 2 sensor fault
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
83 BSB-wire short/circuit
84 BSB Address collision
85 BSB-radio communication fault
91 EEPROM fault: information of locking mechanism Internal fault LMS, process sensor, replace LMS, heating
98 Expansion module 1 fault (collective fault)
99 Expansion module 2 fault (collective fault)
100 Two time masters (LPB)
102 Clock time master without backup
105 Servicing message
109 Boiler temperature monitoring
7308536-02 06.13
The following is the fault code table. In case of further displayed fault codes,
please inform the heating specialist.
Condensing gas boiler Eurocondense three125-300 kW
Explanations/causes
Connection or AT-sensor, emergency operation
Check connection, inform heating specialist
Check connection, inform heating specialist
Check connection, inform heating specialist
Check connection, inform heating specialist, emergency
1
operation
Check connection, inform heating specialist
Check addresses of connected control modules
Check connection of the room units
2 room devices have the same allocation (Prog.-Nr. 42)
specialist
Check time master
See maintenance code (press information button once)
for detailed information
Maintenance
1)
1)
1)
1)
141