Nova Florida DELFIS Monothermal - 7 Malfunctions, Possible Causes and Solutions; Troubleshooting

44
Malfunctions, possible causes and solutions
7. Malfunctions, possible causes and solutions
7.1 Troubleshooting
BOILER
STATUS
MALFUNCTION PROBABLE CAUSE USER'S TASKS QUALIFIED PERSONNEL'S
TASKS
E01*
Burner does not ignite.
Gas supply failure.
Check gas supply.
Check gas supply cock or gas network safety valve intervention.
Gas valve is disconnected. Contact qualied personnel Reconnect it.
Gas valve is faulty. Contact qualied personnel Replace it.
The board is faulty. Contact qualied personnel Replace it.
Burner does not ignite: no spark.
Ignition/detection electrode
faulty.
Contact qualied personnel Replace the electrode.
Electronic board does not ignite.
It is faulty.
Contact qualied personnel Replace electronic board.
Burner ignites for a few seconds
and goes o.
Electronic board does not
detect ame: inverted phase
and neutral.
Contact qualied personnel
Verify correct neutral and phase
connection.
Ignition/detection electrode
wire is interrupted.
Contact qualied personnel Reconnect or replace wire.
Ignition/detection electrode
faulty.
Contact qualied personnel Replace the electrode.
Electronic board does not detect
ame: it is faulty.
Contact qualied personnel Replace electronic board.
Ignition heat input setting is
too low.
Contact qualied personnel Increase it.
Minimum heat input is not set
correctly.
Contact qualied personnel Check burner setting.
E02*
The ow probe has read a value
higher than 105 °C.
CH water does not ow in the
system: pipes might be clogged,
thermostatic valves might have
shut, system stopcocks might
be closed.
Contact qualied personnel Check system status.
Circulation pump is blocked or
faulty.
Contact qualied personnel Check the circulation pump.
E03*
Flue gas pressure switch
triggering.
Poor ue draught. Contact qualied personnel
Check air intake or ue gas
venting system and vent grilles
in the boiler room.
Flue gas thermostat is faulty. Contact qualied personnel Replace it.
E04** CH system water pressure is low.
The system is leaking. Check system.
Water pressure switch is
disconnected.
Contact qualied personnel Reconnect it.
Water pressure switch is not
operating: it is faulty.
Contact qualied personnel Replace it.