Chosen Solution
I have replaced the fuse [UK -3amp.] twice, does the standby unit need replacing?
bernard, typically when a fuse blows in a set, it is protecting the rest of the circuitry. without troubleshooting the root cause of the blown fuse, it is bound to keep blowing. you will want to post the model of your unit and which board is blowing the fuse and some pictures of the set up for further assistance.
