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[GH-ISSUE #861] [Bug]: AMS error (07FF-8012) on P1S without AMS prevents printing #586

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opened 2026-05-06 12:31:11 +02:00 by BreizhHardware · 3 comments

BreizhHardware commented

2026-05-06 12:31:11 +02:00

Owner

Originally created by @Superdomino2 on GitHub (Mar 31, 2026).
Original GitHub issue: https://github.com/maziggy/bambuddy/issues/861

Originally assigned to: @maziggy on GitHub.

Bug Description

Hello,

I am encountering an issue with my Bambu Lab P1S.

Error Code: 07FF-8012
Message: "Failed to get AMS mapping table; please select 'Resume' to retry."

I do not have an AMS system installed or connected. I am only using the external spool holder.

The error appears when starting a print and prevents me from printing at all. Pressing "Resume" does not resolve the issue.

Steps to reproduce:

Load filament using the external spool
Start a print
The error appears

What I have tried:

Restarting the printer
Reloading filament
Trying different print files
Replacing the SD card

It seems like the printer or software is incorrectly expecting an AMS even though none is connected.

Expected Behavior

The printer should start printing normally using the external spool without requiring or referencing an AMS system.

Steps to Reproduce

Turn on the printer
Load filament using the external spool holder (no AMS connected)
Start any print
The error 07FF-8012 appears and prevents printing

Printer Model

P1S

Bambuddy Version

v0.2.2.2

Printer Firmware Version

01.09.01.00

Installation Method

Other

Operating System

Linux (Ubuntu/Debian)

Relevant Logs / Support Package

No response

Screenshots

Additional Context

No response

Checklist

I have searched existing issues to ensure this bug hasn't already been reported
I am using the latest version of Bambuddy
My printer is set to LAN Only mode
My printer has Developer Mode enabled

Originally created by @Superdomino2 on GitHub (Mar 31, 2026). Original GitHub issue: https://github.com/maziggy/bambuddy/issues/861 Originally assigned to: @maziggy on GitHub. ### Bug Description Hello, I am encountering an issue with my Bambu Lab P1S. Error Code: 07FF-8012 Message: "Failed to get AMS mapping table; please select 'Resume' to retry." I do not have an AMS system installed or connected. I am only using the external spool holder. The error appears when starting a print and prevents me from printing at all. Pressing "Resume" does not resolve the issue. Steps to reproduce: 1. Load filament using the external spool 2. Start a print 3. The error appears What I have tried: - Restarting the printer - Reloading filament - Trying different print files - Replacing the SD card It seems like the printer or software is incorrectly expecting an AMS even though none is connected. ### Expected Behavior The printer should start printing normally using the external spool without requiring or referencing an AMS system. ### Steps to Reproduce 1. Turn on the printer 2. Load filament using the external spool holder (no AMS connected) 3. Start any print 4. The error 07FF-8012 appears and prevents printing ### Printer Model P1S ### Bambuddy Version v0.2.2.2 ### Printer Firmware Version 01.09.01.00 ### Installation Method Other ### Operating System Linux (Ubuntu/Debian) ### Relevant Logs / Support Package _No response_ ### Screenshots <img width="521" height="299" alt="Image" src="https://github.com/user-attachments/assets/03fd473c-cf84-4c30-88e9-1b7d3606e447" /> ### Additional Context _No response_ ### Checklist - [x] I have searched existing issues to ensure this bug hasn't already been reported - [x] I am using the latest version of Bambuddy - [x] My printer is set to LAN Only mode - [x] My printer has Developer Mode enabled

BreizhHardware

2026-05-06 12:31:11 +02:00

closed this issue
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BreizhHardware commented

2026-05-06 12:31:11 +02:00

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@maziggy commented on GitHub (Apr 1, 2026):

Please use branch dev and try again.

@maziggy commented on GitHub (Apr 1, 2026): Please use branch dev and try again.

BreizhHardware commented

2026-05-06 12:31:11 +02:00

Author

Owner

@engineermcm commented on GitHub (Apr 1, 2026):

I had the same issue with my P1S and no AMS combo. The dev branch resolved it (though now I'm missing telemetry such as bed/nozzle temps, printer status, etc).

@engineermcm commented on GitHub (Apr 1, 2026): I had the same issue with my P1S and no AMS combo. The dev branch resolved it (though now I'm missing telemetry such as bed/nozzle temps, printer status, etc).

BreizhHardware commented

2026-05-06 12:31:11 +02:00

Author

Owner

@maziggy commented on GitHub (Apr 2, 2026):

I had the same issue with my P1S and no AMS combo. The dev branch resolved it (though now I'm missing telemetry such as bed/nozzle temps, printer status, etc).

There must be something wrong with your system. Please uplod debug logs.

@maziggy commented on GitHub (Apr 2, 2026): > I had the same issue with my P1S and no AMS combo. The dev branch resolved it (though now I'm missing telemetry such as bed/nozzle temps, printer status, etc). There must be something wrong with your system. Please uplod debug logs.

BreizhHardware referenced this issue

2026-05-06 12:35:05 +02:00

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BreizhHardware referenced this issue

2026-05-06 12:35:28 +02:00

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