QUICK ANSWER
Watch whether it finds the area or misses the base entirely.
Dreame recommends checking charging contacts when docking repeatedly fails; stable placement and a clear approach are also important.

INTERACTIVE DIAGNOSIS
Where does the return fail?
STEP 1 OF 2
Does the robot reach the correct base area?
Factory reset is not a first step
Dreame documents a reset as a later troubleshooting step and notes it erases saved maps. Try the non-destructive checks first.
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