Erin 2019 Whirlpool side by side WRS325SDHZ Have replaced the Thermistor W10902214, Control W11196400, and harness with fuse W11366397. Seals are good. Unit continues to frost up completely every 2 weeks. Any ideas for what might be causing the issue?
Answer Hello Erin, your refrigerator model came with a tech sheet listing test modes, it is located either on the lower rear of the cabinet by the compressor or behind the front lower grill , use it to access the test mode and run the defrost heater test to check the defrost heater is actually working. Read More... Answered by AppliancePartsPros.com | Tuesday, August 6, 2019