69
Fault code
on the dis-
play
System characteris-
tics
Cause
Measures
FA
Burner in a fault
state
Fan speed devia-
tion
Check fan, check con-
necting cables to fan.
Press "
E
".
Fb
Burner in a fault
state
3 x flame blow-off
during operation
Check oil supply, check
nozzle.
Press "
E
".
Fd
Burner blocked
Burner control unit
fault
Press "
E
" . Replace con-
trol unit if the fault per-
sists.
FE
Burner blocked
Strong interfer-
ence (EMC) field
nearby or boiler
coding card/main
PCB faulty
Check boiler coding card,
restart the equipment.
Replace the control unit if
the equipment will not
restart.
FF
Burner blocked
Internal fault
Start the equipment
again. Replace the control
unit if the equipment will
not restart.
Repairs
Checking the outside temperature sensor (weather-compensa-
ted control unit)
X3
Troubleshooting
Fault codes
(cont.)
5692 799 GB
Содержание VITOLADENS 300-W
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