PA22
User Manual
P a g e
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Copyright©2023 ZKTECO CO., LTD. All rights reserved.
14.
Troubleshooting
Near-infrared palm recognition sensor is not able to read and verify the palm effectively.
Make sure the palm is placed parallel to the Near-infrared palm recognition sensor.
Make sure to keep space between your fingers.
Please keep the yellow circle at the bullseye position as much as possible.
Clean the near-infrared palm recognition sensor and try again.
“Invalid time zone” is displayed after verification.
Contact Administrator to check if the user has the privilege to gain access within that time
schedule.
Verification succeeds but the user cannot gain access.
Check whether the user privilege is set correctly.
Check whether the lock wiring is correct.
The Tamper Alarm rings.
Check whether the device and the back plate is fixed together; if not, the tamper switch on the
back of the device will be triggered and raises an alarm, will be shown on the top right corner
on the interface. Only when
[Speaker Alarm]
(
Access Control
>
Access Control Options
>
Speaker Alarm
) is
[ON]
will the speaker raise an alarm.
