Hi Albert, for what you say, COM ERROR, corresponds to an internal communication problem, try disconnecting the TEAC, from the power outlet, wait a couple of minutes and reconnect it, the problem should be solved
This is indicated on page 26 of the User Manual
If not, you would have a more complicated problem and I suggest you consult a specialized technical service
I hope you can solve the problem
Greetings Franco Dosil
Hola Albert, por lo que comentas, COM ERROR, corresponde a un problema de comunicacion interior, prueba desconectar el TEAC, del toma corriente, esperar un par de minutos y volver a conectarlo, deberia resolverse el problema
Asi esta indicado en la pagina 26 del Manual de Usuario
Si no es asi, ya tendrias un problema mas complicado y te sugiero consultar a un servicio tecnico especializado
Espero puedas resolver el problema
Saludos Franco Dosil
https://www.teac-audio.eu/downloads/2/2/8/1/6/CD-RW890_EFS_.pdf