Possible reasons: the operation is not correctMethods: please read the instructions carefully, see if a password method is wrong, or the password is not successful; Check the input password is correct.
Date:
2016
-
08
-
11
Views：8
Our host with the electric lock and mute lock on the market can normal connection, if you want to and electric plug locks, magnetic locks and other special lock type of connection, plus a power supply and one by one and lock delay board supporting the installation can be normal use.
Date:
2016
-
08
-
11
Views：7
Possible reasons: extension coding errors;Processing method: please pay attention to when you replace an extension to recode, code number to make up the actual floor is preferred.Possible reasons: route problem;Processing method: detection unit host, floors, platform and line fault, first using the multimeter, testing them have signal, minimizing problems, one by one, detection method and the replacement of the same model, functional testing of the products is preferred
Date:
2016
-
08
-
12
Views：8
Processing method:To check whether there is interference sources, audio line is connected; ?Have to check whether there is fault, talkback host and extension could be the host speakers microphones; Also can consider the appropriate methods of adjusting the volume.
Date:
2016
-
08
-
12
Views：10
Possible reasons: the main line no. 1.2 if there is a short circuit, extension fault or host.Processing method: check the host to an extension line 1.2 whether short circuit and fracture, change is the extension and host test.
Date:
2016
-
08
-
12
Views：7
Possible reasons: check the lock line extension fault or poor contact and whether itself is normal?Methods: use a replacement in a good machine to see if the normal, if not normal check wrong wiring.
Date:
2016
-
08
-
12
Views：5