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REFERENCE
VEHICLE DETECTOR AND LOOP FAULT DIAGNOSTICS
If HySecurity HY-5B vehicle detector modules are used, the Smart DC Controller has the ability to store
and report detector and loop fault information for performance diagnostics.
If the Smart DC Controller senses a loop or detector problem:
z
The LCD display flashes the name of the affected detector or error and the appropriate alert code.
z The buzzer chirps continuously at regular intervals until the issue is resolved.
Table 19. HY-5B Vehicle Detector Faults and Errors
Alert or
Error #
LCD
Description
Advisory Resolution
ALERT 7
FREQ SHIFT
FAULT
HY-5B vehicle detector
- Abnormal frequency
change alert.
Alert indicates an unstable loop frequency. Check
loop and lead in wires for problems. Replace
them, if necessary.
ALERT 8 LOOP
SHORTENED
HY-5B vehicle detector -
Loop is shorted.
Alert indicates that loop and lead in wires are
shorting out. Check wires for problems. Replace
them, if necessary.
ALERT 9 LOOP OPEN
HY-5B vehicle detector -
Disconnected loop alert.
Alert indicates loop wires are loose or
disconnected. Check wires for problems. Replace
them, if necessary.
A L E R T
10
I2C BUS
ERROR
HY-5B vehicle detector -
Communications alert.
Alert indicates detector is not communicating
properly with Smart DC Controller. Alert occurs if
detector is unplugged or connection is unstable.
If communication is not reestablished within
30 seconds, controller will reset and message
changes to ERROR 3.
A L E R T
11
DETECTOR
FAULT
HY-5B vehicle detector -
Malfunction alert.
Display indicates HY-5B detector malfunction.
Check detector for problems. Replace it, if
necessary.
A L E R T
12
ON TOO
LONG
Detector input triggered
too long - More than five
minutes.
Display indicates HY-5B detector malfunction.
It alert also works for any input connected to
terminal strip for standard box detectors. Check
that a vehicle is not parked on loop. Also,
determine if loop is stable. An unstable loop can
hold detector in a triggered state.
ERROR 3 DETECTOR
FAILED
HY-5B vehicle detector
- Communication failed.
Smart DC Controller will
behave as if detector is
triggered, usually holding
gate fully open.
Alert indicates detector is not communicating
properly with Smart DC Controller. Alert occurs
if detector is unplugged or detector has failed.
To replace detector, press RESET button to clear
error and re-seat detector or install a new one.
113 | www.hysecurity.com SWINGSMART DC PROGRAMMING AND OPERATIONS MANUAL MX3640-01 REV. D ©2018