The short answer
A leak from the BRUF family is almost always the defrost drain or the water supply, and telling them apart takes one observation: where the water is. On this platform the drain blocks before anything else does, which is why it leads this ranking.
What you observe
- Water pooling under the crisper drawers — The classic blocked defrost drain: melt water has nowhere to go and backs into the cabinet.
- A sheet of ice on the floor of the compartment — Same fault caught later, once the pooled water has frozen.
- Water on the floor at the front — The cabinet floor slopes forward, so a rear leak arrives at the front.
- Damp only at the back of the machine — Supply-side: the inlet connection or the line, and it will be wet when the unit is idle.
- NEAR MISS - condensation on the outside of the doors — That is humidity and seal performance, not a leak.
Causes, most likely first on BRUF
- Blocked defrost drain — Ranked first on the BRUF family: the drain on this family is a narrow channel behind the rear panel and blocks with food debris and ice within a season. That is a family-level property rather than a model-level one, which is why it leads here. What moves against the brand-generic order is lower down: door seals and condensation sits above drain pan cracked or displaced here, because these models share one layout, so its weak point shows across the whole family.
- Water supply connection or line — Second: the supply connection is the one joint under constant pressure, so it weeps whether the appliance is running or not and the damage accrues quietly.
- Door seals and condensation — Third: a seal that no longer meets lets warm air in, which condenses and runs down the inside of the cabinet.
- Drain pan cracked or displaced — Fourth: the pan is the end of the drain path and is disturbed whenever the unit is moved, which makes a recent move the thing to ask about.
- Ice maker fill valve or its tubing — Last: last, and only where a module is fitted, but a weeping valve leaks continuously rather than in cycles.
Check in this order, and why
- Empty the compartment and find the drain opening — It is the likeliest cause and it is visible once the shelves are out.
- Check whether the wetness is inside the cabinet or behind it — Inside is a drain or a seal; behind is the supply. This splits the fault in one look.
- Check the cabinet is level and tilted very slightly back — A cabinet leaning forward sends melt water towards the door instead of the drain.
- Test the seals with a sheet of paper around each door — Last, because it explains condensation rather than standing water.
Before you open anything
Safety
Unplug the appliance or switch off its breaker before removing any panel. A capacitor can hold a charge after the power is off. A loaded cabinet is heavy and top-heavy once the doors are open, so empty it before moving it, and leave the sealed system alone entirely.
When to call a technician
Call when the drain keeps blocking after being cleared, because that usually means the drain heater or the defrost circuit is at fault rather than the channel itself.
Other BRUF pages
Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.
