HMS 0700-2000-0002-0005: AMS Filament Ran Out and Purging Went Abnormally
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HMS 0700-2000-0002-0005 means AMS1 Slot1 filament has run out and purging the old filament went abnormally, and asks you to check whether filament is stuck in the tool head. The run-out is routine; the abnormal purge is the part that needs you.
Running out is expected behaviour. Failing to clear the old material out of the hotend afterwards is not.
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Clear the tool head before anything else
The message names it, so take it literally. A stub of filament left in the hotend after a failed purge will block the next load, and it is easier to remove now while the machine is still warm.
Stop it happening unattended
A filament runout sensor on the line gives you a pause and a prompt rather than a machine that discovers the spool is empty halfway through a purge. On long multi-colour jobs that is the difference between a pause and a ruined print.
Purge properly with material made for it
Cleaning filament pushes the residue of the last colour out in a few cycles and copes with the temperature range a normal purge does not. It is the right thing to run after any abnormal purge rather than simply loading the next colour.
Clear the tip if the purge left a plug
Nozzle cleaning needles in the correct diameter clear a partial blockage without dismantling the hotend. Use the size that matches your nozzle; a larger one does damage you cannot see.
How HMS 0700-2000-0002-0005 differs from a plain jam
Filament stuck with no run-out involved is HMS 0700-2000-0002-000A. This code tells you the sequence: empty first, then the purge misbehaved.
What to check before the next job
If the retraction afterwards also drags you will see HMS 0700-2000-0002-0011. Blockage symptoms and fixes are in clearing a clogged nozzle, and colour changes in multi-colour 3D printing.
HMS 0700-2000-0002-0005 FAQ
Can I just load a new spool?
Not until the tool head is clear. The message asks you to check for a reason.
Why did the purge fail?
Usually a short stub left behind, or a partly blocked nozzle.
Does this waste the print?
Often it can be resumed once the path is clear.
Will a runout sensor prevent it?
It gives you warning. That is usually enough.
Purging has its own message. HMS 0700-2000-0003-0001 means the slot ran out and the printer is clearing the old filament, and the only mistake available to you is interrupting it.
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