Shenzhen ITLONG Intelligent Technology CO. LTD HLD-DT-A Manual De Usuario
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sound
Cause of issues
Troubleshooting Method
The card is invalid
Issue card with validity
Card permission is incorrect
Reissue the card with authorization
Card is blacklisted
Confirm if it is a blacklisted card
Symptom 7：The reader LED light flash rapidly when power on.
Cause of issues
Troubleshooting Method
Reader communication line
connection failure
Reconnect the lines correctly
Card reader fault
Change the card reader
Access control board error
Change the Access control board
Symptom 8：The intercom linkage system can't provide visitors
open access
Cause of issues
Troubleshooting Method
No switch signal from intercom
Check the intercom device wiring
Intercom communication failure
Check the intercom communication module
Communicate line connection
Correctly connect lines
Error of the floor signal dialing
code
Set the dialing code correctly.
Error of the floor signal
collector.
Change the floor signal collector
Access control board fault
Change the access control board
Group controller error
Change the group controller
Error setting on the floor
corresponding table
Reset the corresponding floor table