DOMUSA EVOLUTION EV FDX, Installation And Operating Instructions Manual

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31
24 FAILURES
This section provides an index of the most common failures in both the burner and boiler.
Burner failures:
It has already explained that the burner is equipped with a locking system indicated by a light,
and it could unintentionally occur that it becomes locked making the push button be put on. In
this case, unlock it by pressing the push button.
FAILURE CAUSE REMEDY
- Oil valve closed Open
- Power supply is not reaching the boiler Check
- Nozzle faulty or dirty Replace or clean
- Poorly-adjusted electrodes Adjust
- Timer at automatic position Set it to manual
IT DOES NOT
PUT ON
- Poorly-set room or boiler thermostat Set properly
- Nozzle faulty Replace
- Flame sensor dirty Clean
- Fume circuit clogged Clean
FREQUENT
LOCKING
- Oil filter or burner pump dirty Clean
Boiler failures:
FAILURE CAUSE REMEDY
- The pump does not rotate Unlock the pump
RADIATOR
DOES NOT
HEAT
- Air in hydraulic circuit Drain the installation and
boiler (The air vent plug
is always to be loose)
- Poorly-adjusted burner Adjust properly
- There is no sealing on the uptake Eliminate the leakage
- Unstable flame Check the burner
EXCESSIVE
NOISE
- Uptake with no thermal insulation Insulate properly