Internet PLC Forum
General => Technical support => Topic started by: msi124 on September 04, 2020, 03:41:59 PM
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The Pause LED is flashing after power-on and I am unable to communicate with the PLC by either RS485 or ethernet. I have jumped #4 and still get the flashing red LED and am still unable to communicate via RS485. Suggestions?
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If DIP switch #4 is ON then the PAUSE LED should stay ON and should not be flashing. If PAUSE LED keeps flashing then it looks like the PLC is being rebooted consecutively and could be a problem with the power supply.
What type of power supply? How many volts and how much current can it supply.
Try changing the power supply if you have a different power supply unit.