Service Mode" Menu - Buderus Logamax plus GB142-24 Servicing Instructions

4.2.2

"Service Mode" menu

"SERVICE MODE" MENU
Current supply temperature 0 ... 199 °F
Activate service mode 1st step:
Press and hold the "Chimney sweep" button
As soon as a non-flashing dot is shown in the
right-hand bottom corner of the display, the
boiler will run in heating mode at 100 % load for
30 minutes. The maximum boiler water
temperature set on the BC10 basic controller
Activate service mode 2nd step:
Simultaneously press and hold the "Chimney
sweep" and "Service" buttons for more than
Current boiler load. See page 20.
You can now temporarily lower the boiler load
to partial load to check, and if relevant set the
gas/air ratio or the ionization current.
Press and hold the "Reset" button until the
Current boiler load. See page 20.
The boiler will reduce its load to 30 % within a
couple of seconds. The maximum boiler water
temperature as set on the BC10 basic controller
applies. Check the gas/air ratio (see page 108)
or the ionization current (see page 95) and
adjust the gas/air ratio if necessary.
Current supply temperature 0 ... 199 °F
Logamax plus GB142-24/30/45/60 - We reserve the right to make any changes due to technical modifications!
7 2
(-18 ... 93 °C). See page 20.
Activate
no
service mode?
yes
for 2 to 5 seconds.
7 2
.
applies.
+
2 seconds.
L
.
Service mode activated.
-
display shows "L30."
L 3 0
.
Press the "Service" button.
7 2
.
(-18 ... 93 °C). See page 20.
Press the "Service" button.
Boiler load in line with "Settings" menu.
P2 .
9
psi
Current heating system pressure. See page 20.
Press the "Service" button.
A
.
Operating code. See page 46.
Press the "Service" button.
7 2
.
Current supply temperature 0 ... 199 °F
(-18 ... 93 °C). See page 20.
Have 30 min.
passed or was the
power interrupted?
no
no
Deactivate
service mode?
yes
Deactivate service mode:
Press and hold the "Chimney sweep" button for
more than 2 seconds until the decimal point
has disappeared.
Operation 4
yes
11