Wallace Perimeter Security ALPHA, Installation And Maintenance Manual

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TROUBLESHOOTING
TROUBLESHOOTING
Table 12. SmartDC Controller - Troubleshooting
Ref.
No�
Display Description
Possible Causes Solutions
Condition Alert, Error or Fault
1 SAFE MODE Safe Mode Alert Occurs when either the
edge sensor or Inherent
Entrapment Sensor (IES)
has been tripped. In Safe
Mode, the automatic close
timer is disabled, but any
command will reset and/
or start the gate in motion.
Safe Mode clears when
full travel is reached or the
RESET button is pressed.
Gate binding, wind, a faulty
edge sensor, or worn motor
brushes can cause a false
alert.
1. Remove the obstruction.
2. Adjust the IES sensitivity.
3. Correct the gate hardware.
4. Correct faulty edge sensor.
5. Check for worn motor
brushes and replace, if
necessary.
2 ENTRAPMENT
MODE
Entrapment Mode Alert Occurs when the IES is
tripped when the gate is
already in Safe Mode. The
operator will not function
until it is reset, which can
occur by:
- Pressing the RESET button
below the display which
causes the operator to
return to Run Mode.
Gate binding or wind can
cause a false alert. Also
occurs when FIRE DEPT
OPEN input is enabled and
activated.
1. Remove the obstruction.
2. Adjust the IES sensitivity.
3. Correct the gate hardware.