Shenzhen ITLONG Intelligent Technology CO. LTD HLD-DT-A Manual De Usuario
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system
The card reader failure
Replace the card reader
Symptom 3：When a card is read with reader sounds “Di”, but the
corresponding floor is not enabled
Diagnosis：
Cause of issue
Troubleshooting Method
The button line and signal line
are connected incorrectly
Check the wiring and re-connect the line
correctly
The button control signal line
error in cutting out
Re-connect the signal line correctly
Symptom 4：Able to press the button without swiping a card
Cause of issue
Troubleshooting Method
The controller enters the fire
status
Disconnect the fire state
The button line is short
circuit
Replace the button line and wiring again
Downloaded the open zone
Close the open zone
Card reader communication
failure
Check the line or replace the line
Symptom 5 Card reading distance is short.
Cause of issues
Troubleshooting Method
Card quality issue
Change the card
The interference to card
reader
Eliminate the interference sources
Card reader failure
Replace the card reader
Symptom 6：When swiping the card, the reader issue " didididi"