Viessmann VITODENS 222-F Installation And Service Instructions Manual page 82

Troubleshooting
Fault messages
(cont.)
Fault number System characteristics
on the display
F.380 Burner in a fault state
F.381 Burner in a fault state
F.382 Burner in a fault state
F.383 Burner in a fault state
F.384 Burner in a fault state
F.385 Burner in a fault state
F.386 Burner in a fault state
F.387 Burner in a fault state
F.388 Burner in a fault state
F.395 Burner in a fault state
F.396 Burner in a fault state
F.399 Burner in a fault state
82
Cause
Flame is lost immediately
after flame formation (dur-
ing safety time).
Flame loss during stabili-
sation or operating phase
Error counter has excee-
ded limit.
Gas valve does not close.
Gas valve does not close.
Short circuit, signal 1, ioni-
sation current
Lead break, signal 1, ioni-
sation current
Short circuit, signal 2, ioni-
sation current
Lead break, signal 2, ioni-
sation current
Short circuit, flame tem-
perature signal 1
Lead break, flame temper-
ature signal 1
Short circuit, ionisation
voltage, signal 1
Measures
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.
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.
Reset the appliance.
Check the gas train, replace if nec-
essary.
Reset the appliance.
Check the gas train, replace if nec-
essary.
Reset the appliance.
Check ionisation electrode and
connecting cable.
Reset the appliance.
Check ionisation electrode and
connecting cable.
Reset the appliance.
Check ionisation electrode and
connecting cable.
Reset the appliance.
Check ionisation electrode and
connecting cable.
Reset the appliance.
Check ionisation electrode and
connecting cable.
Reset the appliance.
Check ionisation electrode and
connecting cable.
Reset the appliance.
Check ionisation electrode and
connecting cable.
Reset the appliance.