Riello RL 25/1 BLU Instrucciones De Instalación, Funcionamiento Y Mantenimiento página 34

Connection flange kit
A kit is available when the opening diameter of the burner on the
boiler is too large.
PC interface kit
A PC software interface adaptor is available for connecting the
control box to the computer for transmitting detailed information
about the operation, faults and maintenance.
20156111
Faults - Possible causes - Solutions
32 GB
Burner
RL 25/1 BLU
Burner
RL 25/1 BLU
Code
3010138
Code
3002731