One warmer device was received for investigation.During visual inspection the device was observed to have a cracked enclosure and tank cover, faulty speaker, and worn line cord.The device was functionally tested, however the reported issue could not be reproduced, the warmer powered on as intended.During the testing, the investigation did identify an unrelated problem with the device speakers not functioning when alarms were activated.Based on the results of the testing, the investigation could not confirm the reported complaint.No root cause could be determined for the reported power issue, or the observed speaker issue.As no manufacturing root cause could be identified, no review of manufacturing device history records was conducted.A review of device confirmed this device has not been in for service in the previous year and there are no indications of a service issue.Due to the age of the device, it has been deemed beyond economical repair and will be decommissioned.
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