Structural / Functional Issue
How to Fix Power Loss / Print Resume After Outage
Step-by-step fix for power loss / print resume after outage on Bambu Lab printers including X1C, H2D, P1S, and A1.
How do I fix power loss / print resume after outage?
- 1
If the model is still adhered: tap "Resume" on the printer screen. Don't move the plate or toolhead before resuming.
- 2
If resume fails: the Z-height position was lost and the print cannot be recovered. Restart from scratch.
- 3
To prevent issues: connect the printer to a UPS battery backup for long critical prints.
Pro tip: Resumed prints may have a weak layer at the pause point. Select "High Strength" above for settings that compensate.
Related Print Issues
Still having issues?
Try our AI-powered troubleshooter — describe your problem in your own words and get personalized fixes.
Open AI TroubleshooterBrowse All Print Issues
Uneven First LayerStringing / OozingVisible Layer LinesElephant Foot (First Layer Bulge)Warping / Curling / LiftingVisible Z-SeamRough / Droopy OverhangsBlobs / Zits on SurfaceGhosting / RingingWeak Layer Adhesion / DelaminationPart Breaking Along Layer LinesPoor Dimensional AccuracyPart Too Flexible / Not Stiff EnoughBed Adhesion Failure / Part DetachingSupport Removal Damage / ScarsInfill Showing Through WallsHeat Creep / Clogging Mid-PrintThin Walls Breaking / Gaps in Thin FeaturesPart Deforms in Heat / SunSpaghetti / Print Detached Mid-PrintUnder-Extrusion (Sparse Lines / Missing Material)Over-Extrusion (Blobby / Too Much Material)Nozzle Clog (Blocked / No Extrusion)Extruder Clog (Filament Stuck in Gears)Filament Sticking to Nozzle (PETG)Bad Bridging Quality (Sag or Snap)Belt Pattern / VFA (Vertical Fine Artifacts)Gaps / Holes in Top LayerDifferent Gloss / Sheen on Different AreasInterlayer Cracking (ABS/ASA/PC/PA)Model Collapsing / Nozzle Hitting PrintWet / Damp Filament (Popping, Bubbles)Layer Shifting (Layers Offset Mid-Print)AMS Filament Tangled / Spool StuckAMS Filament Ran Out Mid-PrintAMS Cutter Stuck / Failed to CutFilament Pile-Up in Waste ChuteBuild Plate Not Detected / Marker MissingHotend Fan Speed Abnormal / StoppedHoming Failed (X/Y/Z Axis)AMS Filament Change Failed / Purge TimeoutChamber Temperature Too High (PLA/PETG Softening)Print Paused — Door / Cover OpenPrinting CF Material with Wrong NozzleCR Touch / BLTouch Leveling FailureSprite Extruder Clicking / Grinding FilamentX/Y Belt Tension Issues (Loose or Over-tight)Klipper Input Shaper / Pressure Advance TuningThermal Runaway Protection TriggeredBed Leveling Springs Losing TensionCreality Print / Slicer Compatibility IssuesPTFE / Bowden Tube Wear or GapIDEX Dual Extruder Calibration OffsetLuban Connection / WiFi Transfer IssuesModule Switching Problems (3D Print / CNC / Laser)Heated Bed Temperature Uniformity (Large Bed)