BioClass TR
50
21
SAFETY LOCK-OUTS
The boiler’s electronic controller may activate the following safety lock-outs to stop the boiler
functioning in order to prevent serious damages. When any of these lock-outs occur, the boiler will
switch off and an alarm code will be displayed on boiler's screen.
IMPORTANT: If any of the safety lock-outs described below should occur repeatedly, switch off
the boiler and put in contact with the nearest official Technical Assistance Service.
21.1
Water overheat safety lock-out (E-11)
When this lock-out occurs "
E-11
" alarm code (temperature alarm) will appear on the screen. The
burner will switch off and stop heating the installation.
This lock-out occurs when the temperature of boiler's water exceeds 110 ºC. To unlock it, wait until
the temperature drops below 100 ºC and press the button of the safety thermostat, located
underside of the electrical case of the boiler, after having removed the button cover:
21.2
Fuel entrance tube overheat safety cut-out (E-05)
When this lock-out occurs
“E-05”
alarm code will appear on the screen. The burner will switch off
and stop heating the installation.
This lock-out occurs when the temperature of the fuel entrance tube exceeds 80 ºC. To unlock it,
wait until the temperature drops and press the button on the safety thermostat using a screwdriver
or a pen as is shown in the picture below:
