Electronic lock
OPELO (opero electronic key/smart lock) LSP.QDJ695, malfunction inspection and repair
``I can't lock the door from either the outside or the inside.'' The operator call center said it was a problem with the magnet. When it arrived, I immediately noticed that the sensor was broken and had come off. It seems that it completely interfered with the door gasket and broke. Door packing […]
SHERLOCK4+Genuine security thumbturn Unlocking the entrance door due to not carrying card key Cancellation on site
``Unlocking the entrance door without carrying the card key'' It seems that my housemate locked the door and went on a business trip overseas. You said it's a push-and-turn type thumbturn, but I wonder if it's a SHERLOCK. It's a large black casing on the indoor side that I've never seen before in photos. The latest model of SHER […]
ALPHA ed-Lock with Patante Inspection of malfunction due to battery shortage
"Unlocking defect due to unstable deadbolt operation" On the front, there is a manufacturer name and model number "COSMO KINKI" that I have never seen before. When I interviewed them, I was told that the deadbolt was unstable. Is it because of insufficient torque or the lock case has deteriorated over time? […]
ALPHA ed-Lock, battery cover unlocking failure inspection and repair
"I tried to replace the battery, but the cover wouldn't come off." The customer tried to replace the battery himself, but apparently the cover wouldn't come off. She unlocked the bypass as usual, but the situation was quite troublesome. There doesn't seem to be any gap at all, so the tool goes in […]
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 […]
