A common issue in Whirlpool refrigerators is when the internal lights work, but the fridge fails to cool. This is often caused by a faulty start relay on the compressor or a malfunctioning defrost system that causes frost buildup around the evaporator coils. In models with adaptive defrost, the control board itself may need to be reset or replaced.

Whirlpool's automatic ice makers, especially in French door or side-by-side models, often experience issues with water fill tubes freezing or sensors misreading ice levels. If no ice is being made or the tray freezes solid, it may be due to a defective fill valve, a blocked line, or a bad ice maker module. In many cases, updating the firmware or installing a service kit resolves the issue.

If your Whirlpool fridge is overcooling, especially in the lower drawers, it could be caused by a faulty thermistor or a stuck damper. These parts regulate air flow and internal temperature. Whirlpool models using Accu-Chill tend to respond aggressively to warm air, so recalibration or sensor replacement is usually required to maintain consistent cooling.

Leaks are commonly caused by a clogged defrost drain, which allows meltwater to pool at the base of the appliance. Whirlpool's drain system is located behind the rear panel and can freeze over in high-humidity conditions. Clearing the drain with warm water and checking for mold or blockages typically solves the issue.

A loud clicking sound may indicate the compressor trying to start but failing due to a defective start device or capacitor. Buzzing often points to the fan motor or ice maker trying to activate unsuccessfully. These issues are especially common after a power surge and may require part replacement to restore quiet, normal function.

Some Whirlpool models show error codes like E0, E1, or PO (power outage) on their control panels. These alerts point to issues with temperature sensors, power supply, or internal communication between boards. If the panel becomes nonresponsive, a control board reset or replacement may be required.

Improper door sealing is one of the most overlooked causes of temperature imbalance. Whirlpool gaskets are prone to warping over time, especially if exposed to heat or heavy use. Replacing a worn seal or leveling the appliance frame can significantly improve energy efficiency and cooling performance.