(b)(4).Method: the complaint mr410 respiratory humidifier was returned to fisher & paykel healthcare for investigation where it was visually inspected and performance tested.Results: visual inspection of the complaint device revealed a damaged power cord, however all cable continuity was intact.No fault was found with the complaint device upon performance testing.Conclusion: the power cord of the returned complaint device was in poor condition.It is unknown how the power cord became damaged however it is likely due to excessive misuse of the device.The operating manual that accompanies the mr410 respiratory humidifier states the following: check the humidifier power cable for damage and replace as necessary.The customer was sent a replacement unit.
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