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? Error code F. and 2 flash alternately and the
light is red?
The fault could not be rectified. All start-up at-
tempts have been used and the burner control
unit goes into lock-out.
▷ Reset is only possible by pressing the RESET
button on the burner control unit or using the
remote reset if there is one.
• Rectify the cause of the fault as described above
for warning F.2.
? Error code F. and 3 flash alternately?
The burner control unit detects a flame signal
during start-up or in fault status.
! Incorrect flame signal due to leakage/creepage
current.
• Check the wiring, see page 4 (Wiring).
• Check the flame rod.
! Incorrect flame signal through conductive ce-
ramic insulation, e.g. surge via PE wire, possible.
• Remedy incorrect flame signal. Replace the flame
rod and, if necessary, also the complete burner
control unit and housing.
▷ Reset is only possible by pressing the RESET
button on the burner control unit or using the
remote reset if there is one.
? Error code A. and 4 flash alternately and the
light is red?
Burner fan continues to operate when the burner
control unit is in idle state.
! Wiring fault.
• Check whether the wiring from connector X21
to the burner fan has continuity.
! A vacuum is generated in the chimney due to
strong wind and this affects the burner fan.
RGA100_NF.indd 16
? Error code A. and 5 flash alternately?
The burner fan does not reach the required speed
when starting up.
! The air supply is blocked.
• Check the air supply.
! The air supply is not OK.
• Check the air supply and clean it if necessary,
see page 12 (Cleaning).
! Fan motor defective.
• Check the motor.
! Wiring fault.
• Check the wiring (connectors X21 and X12).
? Error code A. and 5 flash alternately and the
light is red?
The fault could not be rectified. All start-up at-
tempts have been used and the burner control
unit goes into lock-out.
▷ Reset is only possible by pressing the RESET
button on the burner control unit or using the
remote reset if there is one.
• Rectify the cause of the fault as described above
for warning A.5.
• Check the air supply and clean it if necessary.
? Error code A. and 6 flash alternately?
The burner fan does not reach the required speed
during operation.
! The air supply is blocked.
• Check the air supply route.
! The air supply is not OK.
• Check the air supply and clean it if necessary,
see page 12 (Cleaning).
! Fan motor defective.
• Check the motor.
! Wiring fault.
• Check the wiring (connectors X21 and X12).
GB-16
13.09.20 23:10
