Error code

Nokia switch All models code 638

No approved translation for this record yet; showing the original text.

Meaning

Indicates an AAL1 or AAL2 endpoint is out of service because of missing equipment or a faulted equipment modules

Signed-in members see the LED pattern and how to read the code with the remote control on eligible records.

Go to TAP-106

Solution steps are available to members and are not shown on this page. Answer the questions to open the solution.

Get help from a technician over a video call.