[2.0.66] inserter not taking steel after power outage on fulgora

[Teaz]

I expanded my base so the power consumption increased and the accumulators were not enough anymore.
after hitting a complete power outage, roughly 50% of the inserters that are dedicated to pull steel out of a cargo wagon stop working forever until manual intervention.
replacing the inserter or manually removing the contents in the inserters hands by bots made them work again.

example pic


it only happened to the inserters that are pulling steel to put it in the assembling machine to do steel chests.

i had this problem multiple times already, and everytime i could see the accumulator charge graph hitting 0 beforehand.
i sent my savefile to some other person and he could reproduce the issue on his machine.

savefile: https://drive.google.com/file/d/1cPtOHP ... drive_link

[boskid]

I am unable to observe any issues in this save file: all inserters are working just fine.

Given that in your screenshot you clearly have alt mode turned on and cargo wagon shows no content, reasonable explanation is that you forgot that those are stack inserters and they simply wait for more items to appear before switching to drop those items.

[Teaz]

no, the screenshot was just to clarify which inserter is affected by the bug. i will reproduce it and upload the save with them being stuck.

[Teaz]

https://drive.google.com/file/d/1XyBWif ... drive_link


multiple other (steel) inserters are stuck too in this savefile

i reproduced it by just deleting a bunch of accumulators and have it run out of power once. when power is back, inserter is stuck
when it happened by itself, i just didnt have enough accumulators and their charge hit 0, so i had no power at all. once the power was back, the inserters were stuck

[boskid]

I see. Well, for me this feels like a minor issue or not a bug because the assembler this inserter puts into has items in the products inventory.

What i think has happened is following: when beacons were powered down, the assembler had a reduced crafting speed meaning that it was reporting being "output full" with a smaller amount of steel chests and this caused this stack inserter to sleep on the assembler only (reasonable behavior since it was the assembler that refused to get more items). When beacons became fully powered and assembler's speed was increased, due to increased speed a threshold for when it is full was raised but inserter was not woken up by the assembler in this case. Specific reason why assembler is not notifying inserters is that this is not strictly required in normal scenarios since items should still be taken out from the assembler that will wake up the inserter, and there was already a chain of bug reports that is involved in beacons effect changes (96457 -> 98445).

In the end, the inserter sleeping only on the assembler is correct because at some point the assembler reported that it was output full, and you are not taking items out of the assembler since the output inserter has a circuit condition set to only take items when there are at least 16 steel chests in the assembler output.

[Teaz]

yeah, its easy to avoid aswell, just dont run out of power haha.

i just thought its weird that it only happens to steel inserters and to me it felt like its unintended behavior

[boskid]

Simpler solution for your case is to remove the circuit condition from the inserters that pulls steel chests out of the assembler. By having assembler being emptied properly the input inserter will resume working.

[Teaz]

yeah i figured that aswell after reading your explanation. thanks for the help!