Turn on the alarms in CMD EA2 de 20 de 3 exe, and EA2 de 21 de 3 exe, EA2 de 30 de 3 exe, EA2 de 31 de 3 exe. This will track the T-1 and "D" channel errors. You can read them with the MatWorX program or via CMD EA0 de 00 de, pressing de each time shows more data.