Smart DC Controller Troubleshooting
Revision D Reference 6-19
ALERT 6
LIM NOT RELEASED
Not used on SlideSmart. N/A
N/A
ALERT 7
FREQ SHIFT FAULT
The HY-5A has detected a frequency
change outside the normal range.
Likely causes are poor integrity of loops or metallic objects
within range. 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) - (User Relay 22).
The loop lead in wires and roadway should be
checked for problems or replaced.
ALERT 8
LOOP SHORTED
The HY-5A has detected a loop
shorted to ground.
Caused by inadequate insulation of loop wires. The loop lead in wires and roadway should be
checked for problems or replaced.
ALERT 9
LOOP OPEN
The HY-5A has detected a lack of
continuity in the loop wire.
Caused by broken loop wire or wire has come unplugged
from detector.
The loop and lead in wires should be checked
for problems or replaced.
ALERT 10
12C BUS ERROR
The Smart DC Controller has
detected a communication error
with a HY-5A vehicle detector.
Caused by removal of HY-5A or lack of integrity of the
socket connection. 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) - (User Relay 22).
Remove and re-install the HY-5A and press
RESET. Replace the HY-5A, if necessary.
ALERT 11
DETECTOR FAULT
The Smart DC Controller has
detected a problem within an HY-5A
vehicle detector.
Caused by a fault within the HY-5A. 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) -
(User Relay 22).
Remove and re-install the HY-5A and press
RESET. Replace the HY-5A, if necessary.
ALERT 12
ON TOO LONG
The Smart DC Controller has an
active loop input (HY-5A or box
detector output) for more than 5
minutes.
Caused when the Smart DC Controller sees an active loop
for more than 5 minutes. The “active” loop can be actual or
false. 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) - (User Relay 22).
Check traffic patterns at the site. The loop and
lead in wires should be checked for problems or
replaced.
ALERT 13
STIFF GATE
The Smart DC Controller has
detected a gate that, over time, has
taken more power to move than it
used to.
Caused by degrading gate hardware or debris in the track.
This alert appears in the history log. It does not have any
effect with regard to opening or closing the gate.
Check and correct gate hardware as required.
ALERT 14
STUCK GATE
The Smart DC Controller has
detected that it cannot move the gate
at all.
Caused by broken gate hardware or ice/snow buildup. Check and correct gate hardware as required.
Table 6-1. Smart DC Controller - Troubleshooting
Display Description
Possible Causes Solutions
Condition Alert, Error or Fault
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