elco THISION WH, Operation And Installation Manual

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In case of a lockout, a warning symbol ( ) and a flashing error code appears on the display. The cause of a fault should first
be determined and eliminated before the boiler is being reset. The table below shows all possible lockouts with indication of
possible cause.
Lockouts
Error
code
Description of error
0 No error
10 Outside temperature sensor error
20 Boiler temperature 1 sensor error
26 Common flow temperature sensor error
28 Flue gas temperature sensor error
30 Flow temperature 1 sensor error
32 Flow temperature 2 sensor error
38 Flow temperature primary controller sensor error
40 Return temperature 1 sensor error
46 Return temperature cascade sensor error
47 Common return temperature sensor error
50 DHW temperature 1 sensor error
52 DHW temperature 2 sensor error
54 DHW primary controller sensor error
57 DHW circulation temperature sensor error
60 Room temperature 1 sensor error
65 Room temperature 2 sensor error
70 Buffer storage tank temperature 1 sensor error
71 Buffer storage tank temperature 2 sensor error
72 Buffer storage tank temperature 3 sensor error
73 Collector temperature 1 sensor error
74 Collector temperature 2 sensor error
82 LPB address collision
83 BSB wire short-circuit
84 BSB address collision
85 BSB RF communication error
91 EEPROM error lockout information
98 Extension module 1 error (collective error)
99 Extension module 2 error (collective error)
100 2 clocktime masters (LPB)
102 Clocktime master without reserve (LPB)
103 Communication error
105 Maintenance message
109 Boiler temperature supervision
110 STB lockout
111 TW cutout
121 Flow temperature 1 (HC1) supervision
122 Flow temperature 2 (HC2) supervision
125 Pump supervision error
126 DHW charging supervision
127 Legionella temperature not reached
128 Loss of flame during operation
129 Fan error or LP error
130 Flue gas temperature limit exceeded
131 Burner fault
132 GP or LP error
133 No flame during safety time
146 Configuration error collective message