Lack of water was due to frozen water reservoir on refrigerator side. Frozen water was due to temperature issues - cold on bottom of both freeder and refrigerator side, warmer at top. This was caused by evaporator fan failure. The fan had come loose from its housing and eventually vibrated itself to death - wire leads had vibrated open. Since the fan/wire harness are integrated, I needed to replace the unit. Evaporator fan blade took a beating too, so I replaced that as well. Online repair guide was instrumental in tracking down the problem. I was happy to buy parts from AppliancePartsPros.com, even if a few more bucks. I selected regular shipping but the parts came the very next day. Awesome.