GB-17
D
GB
NL
RUS
PL
F
E
UA
CN
? Error code
U.
and
2
flash alternately and the
light is red?
!
Voltage supply is above the limit (programmable,
e.g. > 260 V).
•
Ensure that adequate mains voltage is supplied.
? Error code
U.
and
3
flash alternately and the
light is red?
!
All start-up attempts in the programmed voltage
range (e.g. 160 – 180 V) were unsuccessful. The
last start-up attempt is not made to prevent a
lock-out.
•
Ensure that adequate mains voltage is supplied.
? Error code
U.
and
5
flash alternately and the
light is red?
!
While a fault was pending, the unit has been
successfully reset more than 5 times within
15 minutes using the remote reset input.
▷
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
U.
and
6
flash alternately and the
light is red?
!
The unit has been unsuccessfully reset more
than 10 times within 15 minutes using the remote
reset input.
▷
Reset is only possible by pressing the RESET
button on the burner control unit or using the
remote reset if there is one.
? A circulating dash is displayed rather than
an error code?
▷
After switching on the voltage, a circulating dash
is displayed.
!
Switch-on delay time running.
Or
!
Cycle lock active. The time (cycle lock) between
two starts is too short.
▷
The display will go out automatically as soon as
the time between two starts is long enough. The
burner control unit will ensure a pause between
start-up attempts on the basis of its parameteri-
zation. This warning is displayed during this time.
Or
!
The pressure switch signal does not drop when
the main fan is switched off.
▷
A burner restart is not possible.
▷
After 25 s, the display will change to error code
A.
9
.
