Additional manufacuring narrative: the returned device was evaluated.External visual inspection showed that pogo pins 7,9,10 and 11 were stuck.The device did not turn on using battery.When using ac power the device powered on, the battery charging led would intermittently flash and power off, the device did not sync with the rds.The battery was replaced and the unit was able to power on using battery power.The customer's battery was placed in a known good device and was able to charge.The customer's device was able to obtain readings and alarmed audibly and visually under alarm conditions.Measurement accuracy testing was performed and no issues were identified.The customer complaint was not duplicated for measurement inaccuracy, the customer complaint was duplicated for the battery not charging.A service history record review reveals that this unit was in the field for over five (5) years with no previous reported issues related to this reported event.
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