Here is useful text covering a clogged defrost drain, structured as a practical guide for diagnosis and repair.
If water will not go down, the blockage is likely solid debris (food particles, mold, or grease).
If you'd like to perform this repair yourself, I can help you: for your specific refrigerator brand. defrost drain clogged
If there is a sheet of ice in the drain pan or on the floor of the fridge, melt it using a hair dryer on a low setting or by placing a pot of hot water on the ice (be careful not to spill). Soak up the meltwater with a towel. , as you risk puncturing the coils.
When this drain becomes clogged, the water has nowhere to go. It backs up, freezes over, and eventually spills out onto the floor of your refrigerator. Here is useful text covering a clogged defrost
Every day, the refrigerator’s defrost heater kicks on to melt frost off the cooling coils. Usually, this water flows into a small trough, down a drain hole, and through a tube into a pan at the bottom where it evaporates. But when food crumbs, dust, or a literal plug of ice blocks that tiny exit, the water has nowhere to go but out into the main compartments. The Operation
Once the ice over the hole is gone, take your turkey baster filled with hot water. Squirt the hot water forcefully into the drain hole. If there is a sheet of ice in
Safety is the first priority. Unplug the unit to avoid electrical shock and to stop the compressor so the ice melts slightly.