The short answer
On the R line a puddle is usually a routing problem rather than a broken part: establish where the water begins before anything else, because a wet floor under the machinery end and a wet compartment floor are different faults. Two of the likely causes are owner-checkable with nothing but an empty cabinet, and only the last needs a technician. Start with an overfull or displaced evaporation tray and leave a split drain hose or a failed seam until everything cheaper has been excluded.
What the owner actually sees
- A puddle at the front, under the door line — It re-forms within a day of being wiped, and the floor behind the unit stays dry.
- Standing water on the compartment floor — Enough to see, sitting in the channel rather than spread across the base.
- Water only after the unit has been open or switched off — Nothing during normal running, then a puddle after a stop.
- A damp patch under the machinery end — Spread rather than pooled, and it dries and returns on its own rhythm.
- NEAR MISS - water only once, right after a move — A unit laid down or carried warm sheds what it was holding. One puddle after a move is not a fault; a second one is.
What it usually turns out to be, in order
- An overfull or displaced evaporation tray — The leading cause on these models: a tray that has been reinstalled crooked after a service drips continuously rather than in a puddle, which is why the floor is damp rather than wet.
- A blocked condensate drain path — Second: everything the plate sheds has to leave through one small outlet. Once that outlet is even partly restricted the trough holds water between cycles, and the first time the cabinet is tilted or opened it runs out over the lip.
- Condensation on the outside of the cabinet — Third, and worth excluding before going further: a cold cabinet in a warm humid room sweats on its outer skin, and that water runs down to the floor exactly as a leak would. Nothing has escaped from inside the unit.
- A split drain hose or a failed seam — It ranks last for the usual reason: it is rare, and every cheaper cause above it explains the same puddle.
Working order, and the reason for it
- Look underneath at the machinery end — With the unit isolated, look under the machinery end for a tray sitting square and for water in it. Water beside it rather than in it is the answer.
- Clear and test the compartment drain — With the unit emptied, look for standing water in the trough before you touch anything. A trough that is wet while the plate is dry means the outlet, not the seal.
- Wipe the outside dry and watch where water returns — Dry the whole outer surface, wait an hour and look again. Water reappearing evenly across the panels is room humidity, not a leak.
Before you open anything
Safety
Isolate the unit at the plug or the breaker before any panel comes off - a capacitor can hold a charge after the power is off. Mop the floor first: standing water underneath a cabinet you are about to tip or move is how this job hurts people.
Where owner work ends
Call when the leak survives a cleared drain and a level cabinet, and call immediately if you find water where the supply lead enters or under the machinery end. Water reaching insulation gets worse every week it is left, so this is not one to watch for a month.
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Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.
