Buderus Logamax GB062-24 KDE H V2 Service Manual page 31

6A
Flame not detected.
Step
6. Natural gas :
Is there a gas pressure regulator
installed ?
LPG (Liquid gas):
Is there correct / sufficient gas flowrate to
the boiler ?
7. Is the siphon blocked ?
8. Is the gas valve robust ?
B Switch off the boiler.
B Disconnect the cable socket.
B Measure / check the resistance of
security valves I and II.
(See electrical data sheet)
Logamax PLus GB062
Remedy
B Check the gas regulator correct installation. If
yes:
necessary, correct it.
B Check the gas inlet pressure. If there is a deviation.
Inform the gas company.
B Is the gas type adjustment in Service function 3.F1
correct ?
B Press the RESET button and start the boiler again.
6A ? --> 7.
no: --> 7.
yes: --> 7.
B Is LPG tank sufficiently full?
no:
B Is there air in the gas line?
B Is the external magnet valve open / triggered ?
B Is the gas inlet pressure correct ? (if it is high, check
the gas regulator).
B Press the RESET button and start the boiler again.
6A ? --> 7.
B Clean or correct the siphon.
yes:
--> 8.
no: --> 8.
B Connect the cable socket again.
yes:
B Switch on the boiler.
B Press the RESET button and start the boiler again.
6A ? --> 9.
no: B Switch off the boiler and close the inlet gas valve.
B Replace the gas valve.
B Open the inlet gas valve.
B Connect the cable socket.
B Switch on the boiler.
B Chech boiler for the gas leakege.
B Press the RESET button and start the boiler again.
6A ? --> 9.
4
Fault finding
31