Buderus Logamax GB062-24 KDE H V2, Руководство по обслуживанию

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4
Fault finding
Logamax PLus GB062 29
9. B Switch off the boiler.
B
Check the flue gas 6Apipe/system
for blockage (In case of blockage,
due to high pressure the contacs of
diff. presure switch is opening--> 4C)
Is there a blockage in flue gas pipe ?
no: 4C ? --> 10.
yes: B Correct the flue gas installation (remove the blockage).
B
Switch on the boiler.
--> 10.
10 Electronic board (PCB) is defect. B Switch off the boiler.
B
Cut the main voltage supply.
B
Change the electronic board (PCB).
B Switch on the main voltage supply.
B
Switch on the boiler.
B
END
4C
- Heat exchanger temperature limiter or flue gas temperature limiter has tripped.
- The differential pressure switch does open when the fan runs (after ignition) (only high modulation version).
Step Step