Faults That Are Not Shown On The Display - Buderus Logamax GB062-24 KDE H V2 Service Manual

4
Fault finding
4.4

Faults that are not shown on the display

Faults
Combustion noise too loud; rumbling noises.
Water circulation noises
Heat-up lasts too long
Flue gas readings incorrect; CO content too high
Ignition too strong, or poor.
Condensate in air box.
DHW outlet temperature not reached..
DHW volume not reached.
No function, the display remains dark.
Tab. 9 Faults that are not shown on the display
40
Remedy
B Check gas type.
B Check gas supply pressure.
B Check flue system, clean or repair if required.
B Check gas/air ratio; correct if required.
B Check the gas valve and replace it if required.
B Set the pump rate or pump characteristic map correctly
and match it to the maximum performance.
B Set the pump rate or pump characteristic map correctly
and match it to the maximum performance.
B Check gas type.
B Check gas supply pressure.
B Check flue system, clean or repair if required.
B Check gas/air ratio; correct if required.
B Check the gas valve and replace it if required.
B Check gas type.
B Check gas supply pressure.
B Check the power supply.
B Check the electrodes and cable, replace if required.
B Check flue system, clean or repair if required.
B Check gas/air ratio; correct if required.
B For natural gas: Check external gas flow monitor,
replace.
B Check burner. Replace if required.
B Check the gas valve and replace it if required.
B Check diaphragm in the mixer unit, replace if required
B Check turbine. Replace if required.
B Check gas/air ratio; correct if required.
B Check the DHW water inlet pressure.
B Check the plate heat exchanger.
B Check the strainer in the cold water pipe.
B Check electrical wiring for damage.
B Replace faulty cables.
B Check the fuse, replace if required.
Logamax Plus GB062