The answer first
Before suspecting the water supply, follow the melt water — it explains most leaks on cabinets of this class. Find where the water is first, then fix it; guessing here means mopping up twice. On this kind of cabinet controls of this era are mechanical or early-electronic, so the faults announce themselves by sound and smell instead of by a code.
The signs, and the near misses
- Drips from the underside of the freezer compartment — Melt water escaping past the drain trough instead of through it.
- The drain pan at the back is dry while the floor is wet — Conclusive: water is leaving the unit before it reaches the pan.
- Water shows up only after a warm day or a big shop — Heavier defrost load overwhelms a partly blocked drain, so the leak comes and goes.
- NEAR MISS — the ice maker area is wet but the floor is dry — An ice-maker fill fault behaves differently and belongs on the ice-production page.
The ranking that matters
- Defrost drain blocked with debris or frozen shut — Ranked first: It explains the two hallmark signs together — ice under the drawers and water on the floor — which no other cause does as neatly. It sits at the top here since controls of this era are mechanical or early-electronic, so the faults announce themselves by sound and smell instead of by a code.
- Drain pan cracked, displaced or overflowing — Second: Pans on price-built cabinets are thin and crack when the unit is dragged; the crack is rarely visible from the front.
- Door seal leaking and condensing air inside the unit — Third: If the paper test fails at any point on the door, the seal is part of this leak whatever else is found.
Working through it
- Check the drain pan at the back of the unit — A dry pan with a wet floor proves the water never got there; a brimming pan says something else is wrong.
- Find the drain hole at the base of the rear wall — Usually a small opening in a moulded trough; if it is capped with ice or debris, you have found the problem.
- Note whether the problem follows the weather — Faults that appear in warm humid conditions and disappear in cool ones point at sealing and airflow instead of electronics.
Safe checks, step by step
- Level the unit front to back — Adjust the front feet until a level reads flat side to side and very slightly back front to rear.
Tools: spirit level, adjustable spannerAbout 20 min
- Chip nothing: melt the ice sheet under the drawers — Empty the compartment and let the ice melt naturally, or use warm cloths. Prising it out cracks the liner.
Tools: warm cloths, towelsAbout 30 min
- Flush the drain again a week later to establish it stays clear — A drain that reblocks quickly is telling you there is debris further along than warm water can reach.
Tools: warm waterAbout 15 min
- STOP HERE if the next step needs a meter on live terminals — That is where the owner sequence ends and a technician begins, and the boundary exists for good reasons.
Read this before starting
Safety
Pull the plug, or trip the breaker that feeds the outlet, before any panel comes off; a stored charge can sit in a capacitor long after the lights go out. The refrigerant circuit stays sealed: it is pressurised, it is brazed, and an amateur opening is both a hazard and a reportable release. Nothing in the sealed circuit is an owner job: it is pressurised, and the law treats venting it as a violation in its own right.
When to call a technician
If the drain reblocks within days of being flushed, stop flushing — repeated blockage means debris beyond reach or a drain heater that has stopped working. Call when you have run out of tests that cost nothing, which is typically the honest end of an owner sequence.
Nearest pages of this class
Generalized information
What follows the brand on your rating plate matters more than the brand itself, and this page cannot see it. Where a family- or model-specific page exists for your cabinet, it is the more specific answer and it is linked from the pages listed here — start there if your model shows up by name. Read this one for the shape of the problem, and the specific page for the specifics. It also does not cover installation faults that look like appliance faults, which are handled on the pages for the problem they imitate.
Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.
