Event date unknown.One device was returned for evaluation.Visual inspection revealed the lcd display was damaged and lens display was foggy.The overlay keypad, downstream sensor and upstream sensor seal were contaminated.The event history log was unable to be downloaded due to alarm message error code 1260 on the pump display.Functional testing was able to replicate the reported issue; the mcu board clock battery was damaged as well as the lcd display.The most probable root cause was determined to be the mcu board clock batteries and lcd display damage.The mcu board and front housing assembly were replaced.Service history review identified there was no indication that the complaint was related to a service of the device within the review period.
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