B3.Date of event: unknown.No information has been provided to date.Investigation summary: the affected device was received for evaluation.The enclosure was cracked, the water tank was stained, the reservoir gasket was worn, the line cord was faded, and the drain fitting, pcb, and power switch were outdated.After visual inspection, the reservoir was filled with water, the temp check e5579 was attached, the line cord was plugged in, and the power turned on for functional testing.The customer's indicated failure was confirmed as the over temp alarm went off at the incorrect temperature.The faulty pcb was the root cause.No action was taken due to the condition and age of the device.It was deemed beyond economical repair and will be scrapped.The service history review identified there was no indication that the complaint was related to a service of the device within the review period.
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