Made in Korea
Korean-made IC card type electronic lock PM640, lock defect inspection due to dead battery
``The locking/unlocking operation of the IC card-type electronic lock is unstable.'' We had rushed to this property for repairs last time. It was an electronic lock whose manufacturer's name was unknown, and it malfunctioned because the circuit board was nearly submerged in water and had progressed to corrosion. As an emergency measure, we cleaned a part of the board […]
Mysterious IC card electronic lock PM640, malfunction repair of unknown manufacturer
``This morning it suddenly stopped working, so I would like to have it checked.'' It was an electronic lock (IC card lock) that I had never seen before. There are no markings or instructions. (Maybe made in Korea?) I couldn't even search on the web. Normal operation is to press the button and switch the card key […]
Korean-made GuarDoor SHS-1221 Unlocking electronic lock
``Unlocking the entrance door with an electronic lock that has no door scope or door post.'' While moving around, I searched by property name to see if there was any detailed information, and found that the electronic lock was a real lock, ``GuarDoor'' from Samsung Electronics, South Korea. It turned out to be OEM SHS-1221 […]
ASSA ABLOY Yale YDM723 Electronic lock unlock cancellation
``I would like to request a card key to unlock the door.'' This was a case with a police officer present, but there are many types of card keys. Is it MIWA, ALPHA, or SHERLOCK? Thumbturn says he's not sure, but there might be a switch […]
GATEMAN WV-20 electronic lock unlocking is Canceled at the last minute.
``Electronic lock defect Unlocking the entrance door'' They reported that the door would not unlock even after entering the PIN code. However, I received a notice of cancellation at the last minute. It seems to work after I re-entered the password myself. I can't find any property information even after searching, so I can't help but get worried. Arrival 5 […]
