Buderus 500 Series User Manual page 15

Key to fig. 2 :
item 1: mains switch
item 2: "reset" button
item 3: "service" button
item 4: display
The boiler is equipped with a DBA. This is the internal control
of the boiler. The DBA is located behind the access panel.
The DBA allows you to operate the boiler and to make adjust-
ments in its settings.
DBA overview:
1. Mains switch (see fig. 2).
Use this switch to turn the boiler on or off.
2. Reset button "
When a blinking code is in the display, it is possible to try and
restart the boiler by pressing this button.
NOTE
I
It is not possible to reset the boiler when there is no
fault code blinking in the display.
http://www.buderus-domestic.co.uk
B
" (see fig. 2)
item 5: "menu" button
item 6: adjusting arrow up
item 7: adjusting arrow down
DBA 9
15