S300-DIN-RDR2S Module Hardware Installation
24-10239-413 Rev. A 41
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System restarts continuously • System improperly grounded
• Severe power variations
• Defective CK720 board
Red or Green lamp does not
ill
uminate, but access is denied or
granted if card is used.
• Open wire at lamp connection
• Burned out lamp bulb
• Defective Reader Add-on board
Holiday time zones not followed • Improperly programmed Holiday time zones or Holi-
day dates.
Issue Possible Causes
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