43
MX4777 Rev. D ©2021
Table 8. SmartCNX Controller - Alerts
Display
Condition
Description
Alert, Error or Fault
Possible Causes
Solutions
ALERT 13
STIFF GATE
A gate takes more
power to move over
time.
Caused by degrading gate hardware or
debris in track. This alert appears in history
log. It does not have any effect with regard
to opening or closing gate.
Check and correct gate
hardware as required.
ALERT 14
STUCK GATE
The gate cannot
move at all.
Caused by broken gate hardware or ice/
snow buildup.
Check and correct gate
hardware as required.
Clear ice and snow.
ALERT 15
NO TARGET
(SLIDE ONLY)
Target magnet is
missing or is not
detected.
Target magnet fell off or target sensor wires
are damaged. Target may not be installed
correctly or gate has not closed fully since
the target was installed.
1. Make sure target is
properly fastened.
2. Check target sensor to
make sure it is reading
magnet.
3. Change sensor if it or
its wires are damaged.
ALERT 18
CHANGE BATTERY
24VDC UPS
batteries need to be
replaced.
Buzzer will chirp
every minute until
UPS batteries are
replaced.
Batteries are not taking a charge properly.
Replace the 24VDC UPS
batteries
ALERT 22
INTLOCK FAILURE
Interlock/Sequential
Gate communication
lost.
Alert auto
clears when
communication
between two
operators is
restored.
●
Appears when communication
connection is lost for more than 5
seconds between interlocked or
sequenced gate operators.
●
Solo operator has Sequential gate set to
ON.
1. Check cable
connections and
wiring. Make sure
both operators are
working properly with
same, current software
versions.
2. Verify Dual Gate and
Sequential Gate are
both set to (0) on a
solo operator.
ALERT 28
BATTERY
DISCONNECTED
Battery disconnected
from drive module.
Dead or disconnected batteries detected
by SmartCNX Controller. Operator may
still function on AC power but will not have
battery backup. Battery fuse may be blown.
Replace or reconnect
batteries. Replace fuse if
needed.
TROUBLESHOOTING/ALERTS/FAULTS/ERRORS
* This message will also indicate which detector the alert applies to: Exit Loop (ELD), Inside Obstruction Loop (IOLD),
Outside Obstruction Loop (OOLD), or Center Loop (CLD).