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Troubleshooting Guide
in
Parking and access control equipment manufactured in the UK
Automatic Raise Arm Barriers
41
1. If the barrier has a permanent raise signal for over 2 minutes the
PLC display will show:
PERMANENT RAISE SIGNAL
2. If the Free Exit/Entry Loop Detector has a constant signal the PLC
display will show:
CHECK FREE EXIT LOOP DETECTOR
3. If the barrier has photocells or a safety edge connected and they
are faulty PLC display will show:
CHECK PHOTOCELLS / SAFETY EDGE
PLEASE NOTE THAT THE PHOTOCELLS AND OR SAFETY EDGE
ON BARRIER ARE ACTIVE FOR A FEW SECONDS OF THE
BARRIER REACHING THE LOWER LIMIT SWITCH. THIS IS FOR
SAFETY REASONS.
ATTENTION!
IT IS THE RESPONSIBILITY OF SITE TO DO THEIR OWN RISK ASSESSMENT TO HIGHLIGHT THE
RISKS ASSOCIATED WITH THE AUTOMATIC BARRIER FOR THEIR SITE. SITE MANAGEMENT
SHOULD ALSO ENSURE ANY OPERATORS OF THE EQUIPMENT ARE TRAINED APPROPRIATELY.
WE ADVISE THAT EXTREME WEATHER CONDITIONS & HIGH WINDS ARE INCLUDED IN A SITE
RISK ASSESSMENT. IT MAY BE NECESSARY FOR BARRIERS TO BE DISABLED DURING
EXTREME WEATHER CONDITIONS (IN THE DOWN POSITION, SECURED) OR FOR THE POLE &
ANY SKIRTING TO BE TEMPORARILY REMOVED.