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Anonymous users2024-01-24I don't understand the meaning. Nowadays, most doors have two kinds of keys, and as long as you don't use the official key, the original key can be used.
In this case, it is possible that the motor or fan bearing is damaged, or it is caused by too much internal sludge.
Usually a security door has 2 A keys, 5 B keys, and 1 C key. The A key, also known as the "worker's key back", is used by workers during renovation. Answer: At the end of the decoration, use the C key to turn around in the lock, the A key will automatically become invalid, and you can only use the B key to open the door. >>>More
Hello, thank you for asking the company.
It is estimated that the pipeline is arranged incorrectly, and the toilet water pipe is connected near the water heater inlet pipe, causing turbulence and thus starting the water heater. It is recommended that you contact Haier customer service at 400-699-9999 and arrange professional technicians to come to the site for maintenance. >>>More
Push the password as far as you can in the opposite direction of the switch. >>>More
It can't be used.
The marble room in the pit with different depths of the decoration key and the formal key has a special structure and is equipped with a 1mm steel ball between the upper and lower marbles. When using the decoration key, the height of the lower marble in the pachinko room and the height of the small steel ball are just flush with the lock cylinder, so the decoration key can be used to twist the lock cylinder to unlock the lock. >>>More