Philips received a complaint by the customer on the v60 indicating that during preventative maintenance (pm), it was observed that the devices volume does not work.It was reported there was no patient involvement at the time the issue was discovered.The customer evaluated the device with the assistance of the remote service engineer (rse) and confirmed the reported problem.The customer states during pm the volume adjust click is missing when adjustment arrow is tapped, volume adjust is functional and no malfunction reported, speakers are within ohm specs, requests troubleshooting, if possible, for cause of silent volume adjustment on screen.The rse advised the customer that the speaker driver resides on the central processing unit (cpu) printed circuit board assembly (pcba) and may need to be replaced to correct the issue and to perform alarms test in performance verification test (pvt) to ensure volume adjustment is functional.Provided option codes and customer enabled them and the issue was resolved.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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