15
Using the Emergency Battery
1. When Lock Fails to Operate Due to Discharged AA Batteries
If the batteries are not replaced after their replacement time comes, they will be
completely discharged and the door lock will not operate.
2. Using 9V Battery
Buy an emergency battery (9V) at the nearest
store.
3. Opening the Door Using the Emergency Battery
Place the card or key tag on the card reader, or enter the password, while the 9V battery
is connected to the external power contact of the outdoor unit.
Or
Recognition of Card or Key Tag
Or
Password Entry
The door is not opened.
As the alkaline batteries offer longer life, they are recommended
over the manganese batteries or rechargeable ones.