Emergency Power; Replace Battery - Yale Helios S User Manual

5.3.3 Enable Safe Handle Setting
Turn the fixing screw anticlockwise until the safe handle button comes out.
Notice
Press the indoor handle down couldn't open the door if you have not keep
pressing the safe handle button
It is easy to cause damage to the indoor handle if the indoor handle is
pressed down forcefully without pressing the safe handle button .
5.4 Alarm
5.4.1 Low Power Indicated
When the battery power is too low, the low battery LED on keypad
flickers red, and play the low battery notification message when you
unlock the door
5.4.2 Broken Alarm
The alarm sounds when the front part is completely separated from the
main set. To release:
① Enter the registered User PIN code
② Touch the registered card key
5.4.3 Intrusion Alarm
The alarm goes off when someone force the door open. To release:
① Enter the registered User PIN code
② Touch the registered card key
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Notice
Alarm sound is about 80db, and it will released after 3 minutes.
5.4.4 3-minute Lock Out Feature
If an invalid user code, fingerprint or card key is entered five (5) times in a
row, lock out mode is activated and all button on the front body are not
activated for three minutes.
5.5 Emergency Power Supply
External emergency power supply (5V) can be used to connect the USB
(Type-C) interface to start the system for discharged batteries.
Emergency power interface
Notice
The emergency power supply is only used for emergency unlocking,
and it is not recommended to use it frequently;
The emergency power supply of this product is the 5V power supply of
the USB (Type-C) interface.

5.6 Replace Battery

5.6.1 Battery Life
The product uses four 1.5V Alkaline AA batteries. They may sustain 1 year if
used 10 times a day.
5.6.2 Low Power Indicated
Replace all 4 batteries when low battery notification message is played.
5.6.3 Replace Method
① Open the battery cover on main body and remove all batteries;
② Reinstall the battery: Pay attention to the positive and negative directions;
③ Reinstall the battery cover.
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