An LG Refrigerator With a Water-Damaged Control Board in Carol Stream

An LG Refrigerator Brought Down by a Leak From Above in Carol Stream

A homeowner in Carol Stream called A+ Appliance Repair and Maintenance about an LG refrigerator that had stopped working. The cause was unusual and worth understanding: the refrigerator's control board had been damaged by water leaking from an external source above the unit. In other words, the refrigerator did not fail on its own. Water from somewhere overhead reached its electronics and took the board out.

The control board is the brain of the refrigerator

Modern refrigerators are run by an electronic control board that manages nearly everything the unit does, cooling, the fans, the defrost cycle, temperatures, and more. When that board fails, the refrigerator can stop working entirely, because the component that coordinates all of its functions is gone. It is one of the more serious failures a refrigerator can have, precisely because the board sits at the center of everything.

Electronics and water do not mix, and a control board is especially vulnerable. Water reaching the board can short it out and cause damage that stops the refrigerator cold, which is exactly what happened here. The unusual part is that the water came from an external source above the refrigerator, not from the appliance itself.

The repair, with an important caveat

Our technician installed a replacement control board and handled the installation, calibration, troubleshooting, and testing needed to bring the refrigerator back into operation. With the new board in place and properly set up, the refrigerator was restored to working order.

But this repair came with an important, honest caveat that we made sure the customer understood. The replacement board was installed after the original was damaged by water leaking from an external source above the refrigerator. That external leak was not repaired by us, because it is outside the appliance, it is the source above the unit that needs attention. Unless that leak is permanently fixed, water could reach the new board and damage it again in the future. We were direct about this: any damage to the replacement board from water, moisture, or leaks is outside what an appliance repair warranty can cover, because it comes from an external condition we did not create and cannot control. Our repair warranty covers the work we performed; it cannot cover a new board being ruined by the same unaddressed leak that killed the first one.

We share this not to disclaim responsibility but because it genuinely matters to protecting the customer's investment. Installing a new board under an active leak is treating the symptom while the cause keeps dripping. The most important next step for this customer is getting the source of that overhead leak permanently repaired, so the new board, and the refrigerator, stay protected.

Why an accurate diagnosis matters here

Part of the value in a repair like this is understanding the whole picture, not just replacing a failed part but recognizing why it failed. A control board that simply wears out is one thing; a board destroyed by an external water source is another, because if you replace the board and ignore the water, you are on a path to doing it again. Being clear-eyed about the cause is what lets a customer make the right decision, which here is to address the leak above the unit.

About A+ Appliance Repair and Maintenance

We service LG, Samsung, Whirlpool, GE, and every other major refrigerator brand throughout Carol Stream, Glendale Heights, and the surrounding DuPage County communities. Our technicians are certified and handle everything from routine repairs to control-board and electronics work.

We quote the price upfront before any work begins, and every completed repair is backed by our full repair warranty. If your refrigerator has stopped working, whether from a failed board or another cause, we can diagnose it and give you an honest picture of what is wrong and what it will take to fix it, including any underlying conditions that need to be addressed to keep the repair from failing again.