Hi Betty,
You may need an abdominal x-ray to see what your catheter is doing. My husband has been on CAPD (with a cycler at night) since January. He has had his ups and downs with filling and draining as well. His catheter actually became kinked and coiled so badly that he needed to have a surgical procedure to fix it. (This was in February). Now, the only time he had trouble with draining is when he needs to have a BM. I know that with him, we were going crazy with changing positions, walking around and that kind of stuff before an abdominal x-ray confirmed that even if he stood on his head, the stupid catheter wasn't goin to fill or drain unless it was fixed. I agree that you should call your dialysis center and notify them of the problem. I hope this all gets resolved for you really soon!