14-04-2020, 01:37 PM
You will need to check the board is still receiving its mains feed in by using a multimeter, or checking the supply RCD hasn't tripped. If all of this checks okay you may need to check the board does not have any damage on it from insects on the back of the PCB by removing it from its enclosure and looking at it.
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Smart Home Tech from The Smart and Secure Centre
Smart Home News from Smart Home Matters