- 3D printers
- 3D printer
0500-0400-0002-0007
Bambu Lab 0500-0400-0002-0007 on a 3D printer: bed too hot
Risk level
Low
Usually safe to check without specialist tools.
Urgency
Low
Quick answer
Bambu Lab HMS 0500-0400-0002-0007 warns that the bed is above the filament's softening temperature and may clog the nozzle. Lower the bed temperature from the screen or software, or open the front door.
Safety first
Stop and check this first
- A bed at 90 or 100 °C burns. Do not touch it or remove the part until it cools, and if a clog needs clearing, do it with the nozzle cold.
Safe checks you can perform
- Whether you changed the bed temperature
- Compare with Bambu Lab's table
- Open the front door
Leave these tasks to a qualified professional
- Do not attempt this professional task: Ticket with logs if there was no manual change
- Do not attempt this professional task: Nozzle check if it no longer extrudes
What a technician must be able to justify
Technician visit
These are the steps they must carry out and show you. Tick them as they work: if steps are skipped, do not accept a part swap.
These are not instructions for opening or handling the equipment yourself. They are the checks that should support a technical conclusion.
Ticket with logs if there was no manual change
What they doIf the alert appears without you touching the temperature, Bambu Lab asks for a ticket with recent printer logs and pictures.
They must show youwhat bed value the printer read.
In writingticket number and diagnosis.
Nozzle check if it no longer extrudes
What they doIf the printer stops extruding properly after the alert, the technician or support checks whether the nozzle has clogged, which is the risk Bambu Lab points out.
They must show youwhether there was a clog and where.
In writingwhat was cleaned or replaced.
Before accepting a part or repair
Nothing has been shown yet. Do not accept a part swap based on the code alone.
Follow these steps
Note: Follow the documented order. An error code identifies the affected system, but it does not prove by itself which part has failed.
Whether you changed the bed temperature
- Who:
- you.
- How:
- remember whether you raised the bed temperature from the screen, app or slicer after the print started.
- Result that matters:
- whether there was a manual change.
- If there was:
- decide whether that value makes sense for your filament.
- If there was not:
- note the filament and temperature for support.
- Evidence to keep:
- photo of the screen with the temperature.
Evidence: Bambu Lab Wiki: HMS_0500-0400-0002-0007: The bed temperature exceeds the filament's vitrification temperature, which may cause a nozzle clog.
Compare with Bambu Lab's table
- Who:
- you.
- How:
- compare the bed temperature with Bambu Lab's table: PLA 55 to 65 °C, PETG 75 to 85 °C, ABS, ASA and PC 90 to 100 °C, TPU 40 to 50 °C, PA and PVB 70 to 85 °C.
- Result that matters:
- whether the bed is above your filament's range.
- If it is above:
- lower it from the screen or software.
- If it is within range:
- you can consider ignoring the alert.
- Evidence to keep:
- note of the filament and temperature.
Evidence: Bambu Lab Wiki: HMS_0500-0400-0002-0007: The bed temperature exceeds the filament's vitrification temperature, which may cause a nozzle clog.
Open the front door
- Who:
- you.
- How:
- if your printer is enclosed, keep the front door open while printing, as the alert itself suggests.
- Result that matters:
- the built up heat comes down.
- If the alert clears:
- keep the door open with that filament.
- If it stays:
- also lower the bed temperature.
- Evidence to keep:
- time of the change.
Evidence: Bambu Lab Wiki: HMS Home Page, List of Error Codes for Bambu Lab 3D Printers
Still not solved
If the error persists, stop here. See what the technician must do and show you.
Where this code applies
A code is meaningful only inside the right product and version context.
Primary scope
- System
- 3D printers
- Brand
- Bambu Lab
- Product type
- 3D printer
Known code variants
- 0500 0400 0002 0007
- Bambu Lab bed temperature vitrification
- Bambu Lab temperatura cama filamento
- HMS_0500-0400-0002-0007
What it means
Bambu Lab explains that the filament's softening temperature sets the bed temperature range. If you raise the bed temperature by hand after starting a print and the actual bed temperature goes above the range set for that filament, this alert appears. A bed that is too hot can cause heat creep and clog the nozzle. As a reference, Bambu Lab gives 55 to 65 °C for PLA, 75 to 85 °C for PETG, 90 to 100 °C for ABS, ASA and PC and 40 to 50 °C for TPU.
Warnings and stop conditions
- Mediumeditorial warning
A bed at 90 or 100 °C burns. Do not touch it or remove the part until it cools, and if a clog needs clearing, do it with the nozzle cold.
Evidence: Bambu Lab Wiki: HMS_0500-0400-0002-0007: The bed temperature exceeds the filament's vitrification temperature, which may cause a nozzle clog.
Symptoms and causes
Probable causes · in order
- Bed temperature raised by handCommon
If you raised the bed temperature during the print above the filament's range, Bambu Lab says this alert appears.
Evidence: Bambu Lab Wiki: HMS_0500-0400-0002-0007: The bed temperature exceeds the filament's vitrification temperature, which may cause a nozzle clog.
- Bed range that does not match the filamentPossible
If the chosen bed temperature does not suit the loaded filament, for example a PETG value with PLA, the bed sits above its range.
Evidence: Bambu Lab Wiki: HMS_0500-0400-0002-0007: The bed temperature exceeds the filament's vitrification temperature, which may cause a nozzle clog.
Virtual technician
Does 0500-0400-0002-0007 still appear after these checks?
Answer a few questions to narrow down the likely cause and the safest next action. Guidance only - it never replaces a professional.
Sources and technical references
- 1
Bambu Lab Wiki: HMS Home Page, List of Error Codes for Bambu Lab 3D Printers
Bambu Lab · 2026 · official_doc
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