: Use a Multimeter to verify the control signal reaches terminals 3 and 4 before assuming the component has failed.
: These are for the AC load. Ensure the Heatsink is properly grounded as per the latest safety standards. rm28525 schematic diagram updated
According to recent Solid State Relay Datasheets , the wiring for RM series components usually follows a standard industrial layout: : Use a Multimeter to verify the control