REFERENCE
Table 22. Smart DC Controller - Troubleshooting
Display
Condition
Description
Alert, Error or
Fault
Possible Causes
Solutions
ALERT 22
INTLOCK
FAILURE
Interlock/
Sequential Gate
communication
lost
Appears when RS-485 communication
connection is lost for more than 5s
between interlocked (dual gate) or
sequenced gate operators.
1.
Check cable
connections and
wiring. Make sure
both operators are
working properly
and have same
current and up-
to-date software
versions. Alert
auto clears when
communication
between two
operators is
restored.
2.
If operator on
site is a solo
gate operator
and display code
ALERT 22 appears,
access Installer
Menu. Verify
Installer Menu
items: DG (Dual
Gate) and SG
(Sequential Gate)
are both set to
zero.
ALERT 24 -
EXTERNAL
RELAY FAULT
Communication
Lost with
Hy8Relay module
Appears when R3-R10 is programmed
to a non-zero number in the installer
menu, but there is no Hy8Relay module
communicating with the board.
If no module is used,
reset R3-R10 to 0. If
a module is used,
ensure that all wiring is
correct and the correct
module is being
used. The STC and
SDC communicate at
different rates with the
module.
ALERT 25 HYNET
LOW BATTERY
Coin Cell Battery
in HyNet is Low
Appears when a HyNet is connected
and reports that the internal battery of
the HyNet is low.
Replace the battery in
the HyNet
130
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SWINGSMART DC PROGRAMMING AND OPERATIONS MANUAL
MX3640-01 REV. D ©2018