ermaf RGA 100 ACU Manual Del Usuario página 46

? Error code C. and 3 flash alternately and the
light is red?
Bridge on X16 between I1 and L disconnected.
! Wiring fault or cable discontinuity.
• Connect cable bridge on X16 between I1 and L.
? Error code C. and 4 flash alternately?
Capacity reduction function active. The capac-
ity reduction function is activated 10°C below
the monitor temperature threshold (STM) of the
safety temperature sensor.
! The main fan does not switch on.
• Check the main fan.
! Wiring fault.
• Check the wiring to actuate the main fan, see
page 4 (Wiring).
! Ambient temperature exceeded. The temperature
is > 40°C.
• Allow the room to cool.
! The heater is badly soiled.
• The heater must be cleaned urgently.
! Installation position.
• The heater is too close to other heaters, see
page 2 (Installation).
! Incorrect burner adjustment. The heater is not
correctly set.
• Adjust the heater, see page 10 (Adjusting the
heater).
? Error code C. and 9 flash alternately and the
light is red?
! Safety temperature sensor incorrectly connected.
• Check contact at connector X22.
! Safety temperature sensor is below -30°C.
! Safety temperature sensor is defective.
• Replace the safety temperature sensor.
? Error code E. and 1 flash alternately?
! The remote reset input is defective.
• If you use the remote reset input, contact your
supplier.
RGA100_NF.indd 18
? Error code E. and 2 flash alternately and the
light is red?
! An adjustable parameter and the CRC check are
not the same. The parameters are implausible.
• Order a new BCC. Contact your supplier.
▷ 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 E. and 3 flash alternately and the
light is red?
! A fixed parameter and the CRC check are not
the same. The parameters are implausible.
• Order a new BCC. Contact your supplier.
▷ 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 E. and 4 flash alternately and the
light is red?
! Limits for fixed parameters not observed.
• Order a new BCC. Contact your supplier.
? Error code E. and 5 flash alternately and the
light is red?
! The BCC is not connected.
• Connect the BCC to the printed circuit board.
? Error code E. and 6 flash alternately and the
light is red?
! An incorrect BCC is connected. The BCC must
be compatible with the ACU of the RGA 100.
• Remove the BCC and connect the correct BCC
to the printed circuit board, see page 7 (Burn-
er Chip Card (BCC)).
GB-18
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