One fluid warmer was returned for evaluation.Visual inspection of the device found it to have an outdated pcb and power switch, cracked enclosure and tank cover, and wear and tear damaged line cord and front cover.Device underwent functional testing by filling tank with water, attaching temperature check, plugged in line cord, and turning on power switch.The reported customer complaint has been confirmed, as a result of a burned out speaker on the pcb.No action taken due to the age and condition of the device.It is deemed beyond economical repair and will be scrapped.The problem source has been unable to be confirmed.
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