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Volpedia/Games/Factorio/Tips/Debug a stalled assembler
FACTORIO / TIPS

Debug a stalled assembler

Inspect power, recipe selection, item inputs, fluid inputs and full output slots.

Original Volpedia referenceReviewed 2026-10-27Quick reference · noindexBASE / CORE SYSTEM
Original Volpedia editorial diagram, not an in-game machine screenshotOriginal Volpedia illustration
OverviewResources17Machines17Logistics17Power12Trains11Circuits12Research14Weapons13Maps12Modes8Enemies11Blueprints10Space Age14Progression12Guides22Tips12Tools2
Practical advice: Fix the earliest missing prerequisite instead of replacing the assembler.
How it worksPractical adviceMistakes to avoidRelated
01

How it works

Inspect power, recipe selection, item inputs, fluid inputs and full output slots.

02

Practical advice

Fix the earliest missing prerequisite instead of replacing the assembler.

03

Mistakes to avoid

Mistaking an idle machine for a broken or bugged machine.

RELATED ON VOLPEDIA

Keep exploring Factorio.

guidesBlueprints and modular expansion

Create reusable production designs that remain understandable and easy to debug.

machinesAssembling machine 2

An upgraded assembler that supports more complex production and fluid input connections.

machinesAssembling machine 3

A high-tier general assembler with additional possibilities for module-based optimization.

progressionFirst automatic science

Produce red science in assemblers and feed labs through inserters.

logisticsTransport belt

Moves items along two belt lanes between miners, furnaces, assemblers and storage.

tipsAvoid blocked fluids

Inspect all outputs and connected tanks when refineries or chemical plants stop.

tipsControl bot charging

Spread roboports near high-traffic paths and monitor charging queues.

Back to Tips
IN THIS GUIDEHow it worksPractical adviceMistakes to avoidRelated topics
EXPLORE OTHER SECTIONSResourcesMachinesLogisticsPowerTrainsCircuitsResearchWeaponsMapsModesEnemiesBlueprintsSpace AgeProgression
Every explanation is on Volpedia. An internal registry records research and version checks.

Volpedia is an independent fan reference, not affiliated with Wube Software. Factorio mechanics and recipes may change between versions, mods and base game versus Space Age. Content last reviewed October 27, 2026. Category illustrations are original Volpedia diagrams, not gameplay screenshots. Factorio trademarks belong to their owners. Research and provenance records are maintained internally.

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