LP-428 Rev. 6.6.16
48
Press v once.
FAULT HISTORY 4
08/28/2009 Fr 5:19A
This screen displays the fourth
oldest boiler control lockout fault.
The top line will alternate between
the words ‘FAULT HISTORY’ and
the actual fault encountered. The
bottom line will display the date and
time that the fault occurred.
Press v once.
FAULT HISTORY 5
08/28/2009 Fr 5:19A
This screen displays the fth oldest
boiler control lockout fault. The top
line will alternate between the words
‘FAULT HISTORY’ and the actual
fault encountered. The bottom line
will display the date and time that
the fault occurred.
Press v once.
FAULT HISTORY 6
08/28/2009 Fr 5:19A
This screen displays the sixth oldest
boiler control lockout fault. The top
line will alternate between the words
‘FAULT HISTORY’ and the actual
fault encountered. The bottom line
will display the date and time that
the fault occurred.
Press v once.
FAULT HISTORY 7
08/28/2009 Fr 5:19A
This screen displays the seventh
oldest boiler control lockout fault.
The top line will alternate between
the words ‘FAULT HISTORY’ and
the actual fault encountered. The
bottom line will display the date and
time that the fault occurred.
Press v once.
FAULT HISTORY 8
08/28/2009 Fr 5:19A
This screen displays the eighth
oldest boiler control lockout fault.
The top line will alternate between
the words ‘FAULT HISTORY’ and
the actual fault encountered. The
bottom line will display the date and
time that the fault occurred.
Press v once.
FAULT HISTORY 9
08/28/2009 Fr 5:19A
This screen displays the ninth oldest
boiler control lockout fault. The top
line will alternate between the words
‘FAULT HISTORY’ and the actual
fault encountered. The bottom line
will display the date and time that
the fault occurred.
FAULT HISTORY 10
08/28/2009 Fr 5:19A
This screen displays the tenth oldest
boiler control lockout fault. The top
line will alternate between the words
‘FAULT HISTORY’ and the actual
fault encountered. The bottom line
will display the date and time that
the fault occurred.
Table 20 - Boiler Fault Screens
B. Cascade Menu
This menu is accessed by pressing < at the default menu or > at
the status menu of the Master Boiler.
Screen Description
CASCADE MASTER READY
SYS PUMP OFF
This screen displays when the boiler
is congured as a Cascade Master
and the system is ready to accept
a demand for heat. The second line
indicates the cascade system pump
output status. This screen alternates
with the default screen every 5
seconds or can be accessed by
pressing the
< key from the default
screen.
CASCADE NO FOLLOWER
SYS PUMP OFF
This screen displays when the boiler
is congured as a Master Boiler and
there are no connected follower
boilers, or the follower boilers are not
powered. The second line indicates
cascade system pump output status.
This screen alternates with the
default screen every 5 seconds or
can be accessed by pressing the
<
key from the default screen.
CASCADE NO SENSOR
SYS PUMP OFF
This screen displays when the boiler
is congured as a Master Boiler and
there is no system temperature
sensor connected or the system
sensor is defective. The cascade
system will still function in this
situation with reduced eciency.
All boilers will run simultaneously
rather than in a staged fashion.
The second line indicates cascade
system pump output status. This
screen will alternate with the default
screen every 5 seconds or can be
accessed by pressing the
< key from
the default screen.
CASCADE TT 0123 567
SYS PUMP ON 12:47P
This screen displays information
about cascade status. The TT in
the center of the top line shows
that cascade demand is coming
from TT contact being closed. You
may also see DHW if the demand
is from a DHW sensor, or 0-10 if
the demand is from a 0-10 volt
input. The following numbers
show which boiler addresses are
currently communicating to the
master. If a boiler address is not
used or communicating, the number
will not display. In the example to
the left, boiler address #4 is not
communicating. When a boiler in the
system is ring, its address number
will alternate with a ‘.’ to signify it
is ring. The bottom line shows the
status of the system pump output
contacts.
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