Goods Scene Troubleshooting
Dreame A3 AWD Pro – Cutter disc cannot raise or lower
The cutter-disc lift mechanism cannot move through its height range because wiring may be obstructed, movement may be mechanically restricted or cables may stiffen at low temperature.
Issue meaning
What this issue means
The cutter-disc lift mechanism cannot move through its height range because wiring may be obstructed, movement may be mechanically restricted or cables may stiffen at low temperature.
Start here
First checks
Inspect the cutter-disc area for trapped wiring or obstruction, check that vertical movement is smooth and note whether cables are stiff from low temperature. Power-cycle the mower and observe the cutter-disc self-check, listening for friction or sticking.
Inspection
Area to inspect
Cutter-disc lift path, connection wiring/cables and self-check movement.
Goods Scene guidance
What to do next
Rule out trapped wiring and mechanical restriction before diagnosing the cutter-disc actuator or control electronics.
Practical guidance is kept separate from manufacturer wording.