when receiving redstone signal it only flickers once on and than off and stays off even though the redstone signal is still present - strangely enough this bug vanishes once it receives a signal from the analog lever or by placing another bulb next to it
regarding analog lever when placing a bulb on a already powered lever need to change the power level by 1 and it it lit depending on level (or place another bulb next to the bulb) - which is pretty much same symptom as stated ...

when receiving redstone signal it only flickers once on and than off and stays off even though the redstone signal is still present - strangely enough this bug vanishes once it receives a signal from the analog lever or by placing another bulb next to it
regarding analog lever when placing a bulb on a already powered lever need to change the power level by 1 and it it lit depending on level (or place another bulb next to the bulb) - which is pretty much same symptom as stated ...