Access Key Battery
CAUTION:
To prevent static electricity damage to the access key printed circuit board, touch the steel area of building with hand to discharge static electricity carried on body or clothes before disassembling the access key.
- Remove the mechanical key from the access key.
- Insert a flat tip screwdriver into the slot indicated by (A) after the mechanical key is removed to open the case.
- Being careful not to touch the access key printed circuit, remove the printed circuit board (A).
- Insert a flat tip screwdriver along the side of the access key battery to remove the battery.