The LPU's used with PTP600 and other models has a solid RED LED on its printed circuit board. The circuit board has PWR silkscreened next to the LED. I have verified that the LED indicates the LPU sees power coming from the PIDU. Can this LED blink in certain conditions? What are the conditions? I have never seen it blink, but a field tech says his is blinking RED. I cannot find any information on this LED.
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