H3.Device evaluated by manufacturer and h6.Event problem and evaluation codes: updated.The device was unpacked, and a visual inspection noted a damaged printed circuit board (pcb), cracked tank cover, bent micro switch, faded line cord and a smeared serial label.Filled tank with water, attached temp check, plugged in line cord, and turned on the power switch.The float switch was the only one that wouldn't alarm.The alarm was tested with a new float switch, and it alarmed as it should.When triggered the float switch will not alarm confirming the customer complaint.A manufacturing device history record (dhr) review was not performed because the device is beyond a year from its manufacture date of 2019 and there was no indication of a manufacturing defect during the investigation.Service history review identified this device has not been in for service previously.No action taken due to the age and condition of the device.It is deemed beyond economical repair and will be scrapped.
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