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Table 16. 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
ALERT 28
BATTERY
DISCONNECTED
Battery
Disconnected
from Board
Dead or disconnected batteries
detected by SDC board. Operator
may still be functional if on AC power
but will not have battery backup. Was
Error 9 in pre-h5.57 software versions
Replace or reconnect
batteries to the
controller.
ACCESSORY CONNECTIONS
MX4505 Rev. E ©2020
104
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SlideSmart DC Programming and Operations