KelNet Lock - User Guide A0U571B
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2.4 Power supply
2.4.1 Battery and/or mains supply
The lock can be supplied with:
• Battery only.
• Battery and mains supply.
• Mains supply only.
The Input Unit's batteries can be used to power it with a maximum of 2 Secure Units.
If the lock is supplied with external supply and battery:
• It is still necessary to check the battery regularly. Replace them as soon as a "low battery level"
message is displayed.
• When the main supply is lost, the lock switches over automatically to the battery supply.
2.4.2 Battery installation
• Type of batteries: 6 x AAA (LR6) 1.5V.
• Respect the polarity.
• Install batteries in the following order: , , then .