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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 qualified personnel
Reconnect it.
Gas valve is faulty.
Contact qualified personnel
Replace it.
The board is faulty.
Contact qualified personnel
Replace it.
Burner does not ignite: no
spark
Ignition relay is faulty.
Contact qualified personnel
Replace the electrode.
Ignition transformer is faulty
Contact qualified personnel
Replace the ignition
transformer.
Electronic board does not
ignite. It is faulty.
Contact qualified personnel
Replace electronic board.
Burner ignites for a few
seconds and goes off.
Electronic board does not
detect flame: inverted phase
and neutral.
Contact qualified personnel
Verify correct neutral and
phase connection.
Detection electrode cable is
interrupted.
Contact qualified personnel
Reconnect or replace wire.
Detection electrode is faulty.
Contact qualified personnel
Replace the electrode.
Electronic board does not
detect flame: it is faulty.
Contact qualified personnel
Replace electronic board.
Ignition heat input setting is
too low.
Contact qualified personnel
Increase it.
Minimum heat input is not set
correctly.
Contact qualified personnel
Check burner setting.
E02*
Flow temperature exceeded
the max. allowed value.
Circulation pump is faulty.
Contact qualified personnel
Replace it.
Circulation pump is seized.
Contact qualified personnel
Check pump electrical
connection.
E03*
Flue thermostat triggering.
Poor flue draught.
Contact qualified personnel
Check the chimney and
ambient air-intake grilles.
Flue vent/air intake duct is
obstructed.
Contact qualified personnel
Check for any duct obstruction,
and eliminate.
Flue gas thermostat is faulty.
Contact qualified personnel
Replace it.
E04**
CH system water pressure is
low.
The system is leaking.
Check system.
Pressure transducer is
disconnected.
Contact qualified personnel
Reconnect it.
Pressure transducer is faulty.
Contact qualified personnel
Replace it.
E05**
CH probe failure
Flow probe is electrically
disconnected.
Contact qualified personnel
Reconnect it.
Flow probe faulty.
Contact qualified personnel
Replace it.
E06**
DHW probe failure (KC only).
DHW probe is electrically
disconnected.
Contact qualified personnel
Reconnect it.
DHW probe faulty.
Contact qualified personnel
Replace it.
Summary of Contents for minorca kr
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