Display Description Potential Corrective Action
transmitted on the bus, so
it re-transmitted the token.
Can be caused by wiring
problems such as loose wires. If
one controller has to send a
token more than once it could
be a wiring issue with the
controller receiving the token.
2.
It can also be caused by a
duplicate address situation
where an address was changed
and duplicated on a
communicating bus.
system time
Offline Device went offline. This
device was online, received
a PFM (Poll for Master) and
did not reply to it.
Same potential corrective actions as
Online
system time
EOL >2 More than two devices with
EOL switch ON. When the
FIT is reading multiple bus
segments (across repeaters)
more than 2 EOL’s could be
expected.
If reading more than 2 EOL switch
positions ON for a single bus
segment, review switch positions of
each controller on the bus segment
to ensure only the actual controllers
at the EOL are being used. See
Proper EOL Termination for more
information.
system time
OutOfSeq A device on the bus talked
Out of Sequence or
attempted communication
without the token.
1.
Check to make sure there are
not EOLs set in the middle of a
bus segment.
Not typically caused by installation
errors. Identify issue to Johnson
Controls® personnel, so it can be
addressed with the manufacturer.
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