Roper Refrigerator RT21LMXKQ04 Won't start or doesn't start

The Run Capacitor is an OEM part for Whirlpool appliances, designed to provide the necessary electrical charge to start and run the compressor motor. This part attaches to the compressor to aids in maintaining a consistent motor speed and ensuring smooth operation. The run capacitor plays a crucial role in the appliance's electrical system, storing and releasing energy as needed to power the motor.

Causes of a bad Run Capacitor include electrical surges, wear and tear over time, or overheating, which can lead to a failure in providing the necessary start-up energy or maintaining motor speed.

Symptoms of a bad Run Capacitor include:

• The appliance does not start.
• The motor shuts off shortly after starting.
• The appliance is humming but not running.
• Increased energy consumption.

This OEM Whirlpool part can also be used on Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore/Sears brand appliances.

The Whirlpool Defrost Timer is an OEM replacement part for Whirlpool refrigerators. The defrost timer regulates the automatic defrost cycle, which prevents ice buildup on the evaporator coils in the freezer compartment by sending a signal to the defrost heater to turn on and melt any ice buildup on the coils. 

Causes of a bad defrost timer can include mechanical wear over time, electrical failures, or internal component damage. Prolonged usage and voltage spikes can also affect the timer's functionality.

Symptoms of a bad Defrost Timer include:

• Excessive frost buildup in the freezer compartment
• The refrigerator or freezer not maintaining the set temperatures
• Unusual noises coming from the appliance 
• The appliance running continuously without cycling off

This OEM Whirlpool part can also be used on Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore/Sears brand appliances.

The Thermostat is an OEM part for Whirlpool refrigerators. It regulates the temperature inside the refrigerator and freezer compartments by controlling the cooling cycles, ensuring food and beverages are kept at the desired temperature.

Over time, thermostats can fail due to electrical malfunctions, wear and tear, or exposure to fluctuating temperatures. A faulty thermostat can disrupt the cooling process, leading to inconsistent temperatures.

Symptoms of a bad thermostat include:

• Refrigerator or freezer too warm or too cold
• Inconsistent temperature maintenance
• Refrigerator running continuously or not at all
• Spoiled food due to improper cooling

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.