Unit power up properly after battery installation.Unit received with operating currents within spec.Unit passed rewind, seating, basic occlusion test, occlusion test, force sensor test and displacement test.No unexpected insulin flow blocked alarms noted.Unit received with the audio alert functioning properly.No audio alert anomaly noted.Unit alarmed hardware low level failures during self test and confirmed in the pump history due to broken pin 6 trace (sda) on u1 keypad assembly.Unit received with faded serial number label.
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