I had a fact about lca110 datasheet

lca110 datasheet

However, sometimes when S1 is opened I notice the time delay pass and I hear the relay click but it has just momentarily opened and then closed again even though S1 is open. When the relay doesn't open as expected usually only one extra delay interval passes and then the relay clicks open but sometimes a few delays can pass with S1 open and the relay just momentarily opening each time interval which leaves the load running. Without a load, when I test pin 3 or continuity between the relay outputs, I get what I would expect: S1 opens, after a delay pin 3 goes low and remains low and the relay opens.
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