D9: date returned to mfg.: 1/17/2024.H3 and h6.Evaluation codes: updated.One device was received.Per visual inspection, there were some superficial scratches in the line cord, delamination of the membrane switch ribbon and the beginning of corrosion are also present on the traces of the ribbon.There is some type of foreign object (ending up being gauze) stuck in the top socket obstructing the water flow completely, this is why the device was not heating.Per functional testing, the device did not heat up properly.The complaint was confirmed.The root cause was due to an obstruction in the top socket preventing water circulation, this triggered the device to not activate the heaters.After the obstruction was removed the device worked as intended.The product's history records were reviewed and there were no non-conformances nor service-related issues that would have resulted in the reported complaint.Replaced the membrane switch, o-rings, and fan guard for preventative maintenance.The device passed all functional and delivery tests.
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