The subsidiary service repair technician (srt) reported that during routine testing of the device at the subsidiary's mfg engineering center (mec), the blood parameter monitor (bpm) display failed.One line was displayed from top to bottom on the screen, but was still readable.There was no pt involvement.
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Per the laboratory eval, the technician observed that the pink wire from the output of the liquid crystal display (lcd) driver printed circuit board assembly (pcba) has two nicks in it.This may cause display issues if it is shorted to chassis ground or other points of ground as these lines have approx 330 volts a/c on them going to the display.The blood parameter monitor (bpm) passed startup self-diagnostics with no errors observed, and no line from top to bottom observed per the reported complaint.
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