4
Fault finding
Logamax Plus GB062
34
18.
Fresh air flow rate is too low ?
yes:
B
Check the flue gas system for lengths, elbows
quantity, extension pipe and other accessories. If
needed, correct/change it.
B
Check the air vents in case of B type installation
(fresh air from room).
6A ? --> 19.
no:
6A ? --> 19.
19.
B
Switch the boiler to max operating
mode via service function 2.F3.
B
Measure the actuating pressure for
the maintenance necessity (Steuer-
druck) (see capital in IM for the main-
tenace pressure).
Is the actuating pressure (Steuer-
druck) in heat exchanger (WB6)
correct ?
yes:
B
Switch off the boiler.
B
Clean the main heatblock (WB6).
B
Switch on the boiler.
6A ? --> 20.
no:
6A ? --> 20.
20.
Electronic board (PCB) is defect.
B
Switch off the boiler.
B
Change the electronic board (PCB)
B
Switch on the main voltage supply.
B
Switch on the boiler.
B
END.
6A
Flame not detected.
Step
Remedy
Содержание Logamax GB062-24 KDE H V2
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