Our hard working staff have made some side by side comparisons of popular mixers. We put together some side by side comparisons of various bread machines. Please look through our FAQs list before you ask. We are busy, but we will be glad to answer your questions. A. First, check to see whether you are using all-purpose or bread flour.
Bread flour contains more gluten which helps the bread rise.
Also check to be sure you have used enough sugar - which the yeast feed on. Artificial sweeteners may not provide sufficient food for the yeast. Make sure all ingredients are warm or at least room temp, as lower temperatures can inhibit yeast, yet temperatures higher than 110 degrees may kill the yeast. Too much butter or shortening may also inhibit the yeast. This can be a sign that you are using too much liquid.