Hardware Installation S300-DIN-RDR2S Module
40 24-10239-413 Rev. A
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© 2010 Johnson Controls, Inc.
Spare Connectors
Two spare connectors are provided:
4-position terminal block, 12-24 AWG, to be used to connect the RS-485 to
the RDR2S module.
3-position terminal block, 12-24 AWG, to be used to connect the power
supply to the RDR2S module.
Fuses
For the RDR2S, use Listed 3 A, 250 VAC, 5x20 mm, fast-acting glass body fuse.
TROUBLESHOOTING
Use the following table to quickly assess problems you may have with your access control
system.
Issue Possible Causes
Red light or no reader light illuminates
when card is used at reader, and
access is not granted.
• Invalid Time zone/Reader/Issue Level/Facility Code
• Card no longer in database
• Incorrect card type
• Card is being swiped backwards
• Reader inoperative
• Damaged card
• Bad cabling
• Failed PCB
• Multiple proximity cards in reader antenna field
Door will not go into “Override Mode”
but g
rants access when a card is used.
• Override time zone is incorrectly programmed, or not
programmed
• Override option not set
Reader down • Incorrect wiring from reader to RDR2 or RDR2S
• Reader is unassigned
• Defective RDR2 or RDR2S
Alarm not reporting • Alarm is suppressed (i.e., not in
an active time zone)
• Associated input point not defined
• Bad wiring or input device
PIN Code function not operating • PIN is not programmed as part of the access condi-
tion
• Broken wire or incorrect wiring from the keypad to
PCBA
• Defective keypad
Card or data loss from database • Noise on power line
• Improper grounding
• Defective CK720 board
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