Tony for Model Number WTW4850XQ0 Only delivers cold water on all settings, is it temp switch problem or water inlet valve.
Answer Tony, You will want to test the thermistor on the unit and make sure that it is good. The thermistor should read at 77 degrees between 49K and 51K ohms of resistance. If this checks ok then the main control board would be the most likely cause for the issue. Read More... Answered by AppliancePartsPros.com | Monday, February 27, 2017