The customer evaluated the device with the assistance of the remote service engineer (rse) and confirmed the reported problem.A field service engineer (fse) then went onsite to troubleshoot the issue and discovered the air pathway was contaminated with a black sticky substance that could not be removed.The fse planned a replacement of the blower assy, gas delivery system (gds), gas outlet port, tubing kit, boot kit, and fan guard.The fse replaced blower assy, gds, gas outlet port, tubing kit, boot kit, and fan guard to resolve the reported issue.The device passed required performance verification tests per philips standards and was returned to service.The investigation concludes that no further action is required at this time.If additional information is received the complaint file will be reopened.
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