Have the same problem and de-freezing with hair dryer a few times a day is not my idea of a hobby. I had a working water dispensing system and suddenly one day it stops. I am trying to understand what changed to cause this failure. Something must have changed. Why should one need to add a heater where there was none previously? I'm thinking of possible causes: Is it possible that the controller circuit board behind the buttons or other airflow control mechanism to the freezer behind this dispenser has become so cold that it keeps freezing this water line through its door. I tried to set it to warmer setting to resolve this issue but the dispenser tube keeps freezing no matter how low a setting (higher temperature) I set the freezer to. So one possibility is that the controller circuit board behind those buttons may have stopped changing the freezer temperature. If it's not that then there must be something else. Maybe it is the actuator that adjusts cooling in the freezer as a signal is sent to it from the pa...
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