KelNet Lock - User Guide A0U571B
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10 RECYCLING
The Secure Unit and the Input Unit can be recycled.
There are different levels of recycling:
1. Recycling the authentication keys (used for security).
2. Recycling the device's address.
3. Complete recycling of the operating settings of the lock.
The lock's audit is never wiped.
10.1 Recycling the Secure Unit’s authentication keys
This procedure is for reverting to the factory authentication keys.
To recycle the Secure Unit’s authentication keys, perform the following procedure:
1. Cut the power to the Secure Unit. If the USB cable is connected to the Input Unit, disconnect it.
2. Press the Secure Unit button: this wakes up the Secure Unit microprocessor and so discharges the power
supply's capacitors, otherwise the microprocessor remains active and there is no restart.
3. Reconnect the power supply: the Secure Unit green LED starts to flash (10 seconds, maximum).
4. While it is flashing, press the Secure Unit push-button twice: the LED will start to flash more rapidly.
5. Wait until it stops flashing.
10.2 Recycling the Secure Unit’s address
This procedure is for:
• Reverting back to the factory authentication keys.
• Wiping the Secure Unit’s address (value 127).
Perform the following procedure:
1. Cut the power to the Secure Unit. If the USB cable is connected to the Input Unit, disconnect it.
2. Press the Secure Unit button: this wakes up the Secure Unit microprocessor and so discharges the power
supply's capacitors, otherwise the microprocessor remains active and there is no restart.
3. Reconnect the power supply: the Secure Unit green LED starts to flash (10 seconds, maximum).
4. While it is flashing, press the Secure Unit push-button 5 times: the LED remains lit and stops flashing.
5. Wait until the LED goes out.
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