9
ALARM CONDITIONS
COnnECt, MISSING CONNECTIONS
The Digital Gateway monitors the N.C. inputs upon
power-up. The alarm indicates one or more missing
required N.C. inputs. The LED(s) for the missing
input(s) and the display message COnnECt will blink.
Once the missing input(s) are connected the LED(s)
will go off, the display will change to the cycle count
and the system will be ready for operation. Figure 8
shows a missing photoeye connection.
At least one of the two N.C. limit switch connections
must be present. If neither of the limit connections are
present both the LSO and LSC LEDs will blink. If the
limits are wired correctly and the Digital Gateway still
shows a missing limit connection, check the limit
settings. The limits may be set to trip at the same
time. Adjust the limits as required.
COnnECt
A0500027
Figure 8
OP = 0, OPEN TIME EXCEEDED
This alarm indicates that the open backup timer has
timed out before the door has fully opened and that
the door has not operated in the time set on the
backup timer. The display message OP = 0 and the
LSO LED will blink. Check the door for proper opera-
tion and reset the Digital Gateway (Figure 9).
Figure 9
ALARM CONDITIONS
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