I agree with @rossko57, I bet you have multiple instances of the rule running at the same time.
I’d rewrite your rule to be something more like:
Items
Put all your Presence Items into the same group. See the following for an example. I’ll call it gPresent.
import java.util.concurrent.locks.ReentrantLock
var ReentrantLock entranceLock = new ReentrantLock()
rule "Dimming UP: Entrance"
when
Item ZwaveEye1Lux changed
then
if(!entranceLock.isLocked) {
try {
if(ZwaveEye1Lux.state < LuxSetpoint.state &&
Standard_ALD.state == ON &&
gPresent.state == ON ){
Thread::sleep(5000)
Dimmer_1.sendCommand((Dimmer_1.state as Number) + 3)
Dimmer_2.sendCommand((Dimmer_2.state as Number) + 3)
}
}
catch(Throwable t) { entranceLock.unlock }
finally { entranceLock.unlock }
}
end
The above will ignore any change to ZwaveEye1Lux while there is an instance of the rule running.