MIWA JN.RA Cylinder malfunction inspection and repair

"Do not enter the door key"

Many malfunctions occur the day after heavy rain like the other day.This time is also a malfunction inspection repair.

It was a barrier-free apartment with many elderly people, but it would have been difficult for a woman with weak strength.

Complete with normal cylinder cleaning.It is due to the dirt that has deteriorated over time, and it seems that yesterday's heavy rain triggered the malfunction.