IGS-NT Combi, SW Version 3.0, ©ComAp – May 2013
IGS-NT-Combi-3.0 Reference Guide.PDF
CB fail – fdb mismatch:
CB open command:
CB fail – If any inconsistence between
the two feedback signals is detected, CB
fail is issued.
ON pulse is shortened/interrupted
and replaced by UV and OFF pulse
OFF pulse is activated until both
feedbacks return to the correct
position +2 seconds.
During CB opening the CB status
LBO is deactivated with change of
the first feddback status
Further behavior of UV output
depends on the system status. In
case of transition to cooling stays
off, if the Cb was opened manually
and the engine keeps running, it
activates again after timeout
elapses.
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