82
Fault number
on the display
System characteristics
Cause
Measures
F.380
Burner in a fault state
Flame is lost immediately
after flame formation (dur-
ing safety time).
Check gas supply (gas pressure
and gas flow switch).
Check balanced flue system for
flue gas recirculation.
Check ionisation electrode for the
following:
■
Distance to burner gauze assem-
bly (see page 43)
■
Contamination on electrode
Reset the appliance.
F.381
Burner in a fault state
Flame loss during stabili-
sation or operating phase
Check gas supply (gas pressure
and gas flow switch).
Check balanced flue system for
flue gas recirculation.
Check ionisation electrode for the
following:
■
Distance to burner gauze assem-
bly (see page 43)
■
Contamination on electrode
Reset the appliance.
F.382
Burner in a fault state
Error counter has excee-
ded limit.
Reset the appliance.
F.383
Burner in a fault state
Gas valve does not close. Check the gas train, replace if nec-
essary.
Reset the appliance.
F.384
Burner in a fault state
Gas valve does not close. Check the gas train, replace if nec-
essary.
Reset the appliance.
F.385
Burner in a fault state
Short circuit, signal 1, ioni-
sation current
Check ionisation electrode and
connecting cable.
Reset the appliance.
F.386
Burner in a fault state
Lead break, signal 1, ioni-
sation current
Check ionisation electrode and
connecting cable.
Reset the appliance.
F.387
Burner in a fault state
Short circuit, signal 2, ioni-
sation current
Check ionisation electrode and
connecting cable.
Reset the appliance.
F.388
Burner in a fault state
Lead break, signal 2, ioni-
sation current
Check ionisation electrode and
connecting cable.
Reset the appliance.
F.395
Burner in a fault state
Short circuit, flame tem-
perature signal 1
Check ionisation electrode and
connecting cable.
Reset the appliance.
F.396
Burner in a fault state
Lead break, flame temper-
ature signal 1
Check ionisation electrode and
connecting cable.
Reset the appliance.
F.399
Burner in a fault state
Short circuit, ionisation
voltage, signal 1
Check ionisation electrode and
connecting cable.
Reset the appliance.
Troubleshooting
Fault messages
(cont.)
6130884
Service
