I just setup Powermiser yesterday (just for one room right now) and am having a similar problem. I have two switches set to auto off, and a condition added based on the state of a motion sensor.
EPS - Powermiser Debug Validating conditions on device
EPS - Powermiser Debug new device 10 is validating device configuration UI
EPS - Powermiser Debug Validating conditions on device
EPS - Powermiser Debug new device 10 is validating device configuration UI
EPS - Powermiser Debug Adding new device 10 to cache
EPS - Powermiser Debug Found device reference field 'device1' in plugin device 'new device 10', auto-watching '018 - Motion Sensor' for changes
EPS - Powermiser Debug Automatically adding watched device '018 - Motion Sensor' to cache as a watched item
EPS - Powermiser Debug Found device reference field 'device2' in plugin device 'new device 10', auto-watching '002 - Doorbell (ZW056)' for changes
EPS - Powermiser Debug Automatically adding watched device '002 - Doorbell (ZW056)' to cache as a watched item
EPS - Powermiser Debug Found device reference field 'device3' in plugin device 'new device 10', auto-watching '002 - Doorbell (ZW056)' for changes
EPS - Powermiser Debug Found device reference field 'device4' in plugin device 'new device 10', auto-watching '002 - Doorbell (ZW056)' for changes
EPS - Powermiser Debug Found device reference field 'device5' in plugin device 'new device 10', auto-watching '002 - Doorbell (ZW056)' for changes
EPS - Powermiser Debug Found variable reference field 'variable1' in plugin device 'new device 10', auto-watching 'isDaylight' for changes
EPS - Powermiser Debug Automatically adding watched variable 'isDaylight' to cache as a watched item
EPS - Powermiser Debug Found variable reference field 'variable2' in plugin device 'new device 10', auto-watching 'isDaylight' for changes
EPS - Powermiser Debug Found variable reference field 'variable3' in plugin device 'new device 10', auto-watching 'isDaylight' for changes
EPS - Powermiser Debug Found variable reference field 'variable4' in plugin device 'new device 10', auto-watching 'isDaylight' for changes
EPS - Powermiser Debug Found variable reference field 'variable5' in plugin device 'new device 10', auto-watching 'isDaylight' for changes
EPS - Powermiser Debug Automatically adding watched device 'Switch - Pantry - Lights' to cache as a watched item
EPS - Powermiser Debug Automatically adding watched device 'Switch - Laundry - Lights' to cache as a watched item
EPS - Powermiser Debug Validating conditions on device
EPS - Powermiser Debug new device 10 is validating device configuration UI
EPS - Powermiser Debug Adding new device 10 to cache
EPS - Powermiser Debug Found device reference field 'device1' in plugin device 'new device 10', auto-watching '018 - Motion Sensor' for changes
EPS - Powermiser Debug Automatically adding watched device '018 - Motion Sensor' to cache as a watched item
EPS - Powermiser Debug Found device reference field 'device2' in plugin device 'new device 10', auto-watching '002 - Doorbell (ZW056)' for changes
EPS - Powermiser Debug Automatically adding watched device '002 - Doorbell (ZW056)' to cache as a watched item
EPS - Powermiser Debug Found device reference field 'device3' in plugin device 'new device 10', auto-watching '002 - Doorbell (ZW056)' for changes
EPS - Powermiser Debug Found device reference field 'device4' in plugin device 'new device 10', auto-watching '002 - Doorbell (ZW056)' for changes
EPS - Powermiser Debug Found device reference field 'device5' in plugin device 'new device 10', auto-watching '002 - Doorbell (ZW056)' for changes
EPS - Powermiser Debug Found variable reference field 'variable1' in plugin device 'new device 10', auto-watching 'isDaylight' for changes
EPS - Powermiser Debug Automatically adding watched variable 'isDaylight' to cache as a watched item
EPS - Powermiser Debug Found variable reference field 'variable2' in plugin device 'new device 10', auto-watching 'isDaylight' for changes
EPS - Powermiser Debug Found variable reference field 'variable3' in plugin device 'new device 10', auto-watching 'isDaylight' for changes
EPS - Powermiser Debug Found variable reference field 'variable4' in plugin device 'new device 10', auto-watching 'isDaylight' for changes
EPS - Powermiser Debug Found variable reference field 'variable5' in plugin device 'new device 10', auto-watching 'isDaylight' for changes
EPS - Powermiser Debug Automatically adding watched device 'Switch - Pantry - Lights' to cache as a watched item
EPS - Powermiser Debug Automatically adding watched device 'Switch - Laundry - Lights' to cache as a watched item