Bosch Condens 7000 FP - Burner Control Unit Status Indicator

Operating and fault displays
Condens 7000 FP – 6721846699 (2022/12)
64
Table 18 Fault displays1) V = locking; B = blocking
14.4 Status indicator of the burner control unit.
The lighting of the reset button displays the current operating condition.
Table 19 Display of the operating condition of the burner via the lighting of the reset button.
... Permanently
 Off
 GREEN
V LL 571 Too many restarts
despite resetting.
15 restarts have
occurred in direct
succession. This means
that the same problem
persisted after the
resets.
Please note: this fault
can only be reset via the
reset button on the
burner control unit.
Faults have continually been reset
and not rectified.
 Identify and eliminate the cause
of the faults leading to the resets.
V LP 570 Too many resets
via the interface.
Too many resets have
been received via the
interface within a
certain period.
Please note: this fault
can only be reset via the
reset button on the
burner control unit.
Faults have continually been reset
and not rectified.
The basic controller has developed a
fault, which is causing constant
resets.
The burner control unit has
malfunctioned.
 Identify and eliminate the cause
of the faults leading to the resets.
 Replace basic controller.
 Replace burner control unit.
Type
1)
Fault
code
Sub
code
Cause Description Test procedure/Cause Action
Operating condition Colour code Lighting of the reset
button
Burner control unit is in operation ................................................................................................................... on
The burner control unit is in the
locked-out fault status
............................................................. flashes slowly
The boiler control unit is in
emergency operation,
communication disrupted
 flashes quickly
The burner control unit is not in
operation
.................................................................................................................. Off