Troubleshooting Error Code 3 Flashes Whirlpool Dishwasher
Whirlpool dishwashers are one of the most popular domestic appliances utilized by every household due to their efficacy and longevity. As with every other appliance, however, they are not absolutely free from malfunctions that render them inefficient. One of the most sought-after malfunctions amongst users is displaying error codes. Of these, the 3 flashes error code is the most prominent.
Proceed with the rest of the answer. This is a guide step-by-step to the Whirlpool dishwasher 3 flashes error code, meaning, cause, and repair.
Diagnosing the 3 Flashes Error Code
Whirlpool dishwasher 3 flash error code generally indicates a water temperature problem. The error code is designed to warn users of a built-in possible failure that otherwise would disrupt the operation and dish washing function of the dishwasher. The error code information is useful in identifying the correct problem and performing the correct repairs.
Possible Causes of the 3 Flashes Error Code
Some of the faults that will cause the 3 flashes error code in a Whirlpool dishwasher are those elaborated below in detail:
Faulty Heating Element
Explanation: The heating element is employed to warm the water to the required temperature. A faulty heating element will result in the production of water that is too cold and therefore end up causing the 3 flashes error code.
Explanation of the solution: Replace a defective heating element with a new one.
Solution: Test the heating element for continuity using a multimeter. If the heating element is defective, replace the heating element with a new one.
Faulty Temperature Sensor
Description: The water temperature is taken by the temperature sensor and passed to the control board. Faulty temperature sensor can pass erroneous reading to the control board and produce 3 flashes error code.
Solution: Test for temperature sensor continuity using a multimeter. Replace in case not functioning correctly.
Description: The control board controls how the dishwasher performs, i.e., the temperature of the water. A faulty control board cannot control the temperature and can make the error code to be displayed.
Solution: Check the control board for burnt marks or ruined components. Change the defective control board with a new one.
Description: The dishwasher will fail to fill water to the required level due to lack of adequate supply of water, thus triggering the 3 flashes error code.
Solution: Check the inlet hose and valve for kinking and blockages. Check the level of the water supply and the operation of the inlet valve.
Blocked Filter
Description: The filter is blocking the water flow, and the dishwasher is not able to heat the water to the desired level, resulting in the error code.
Solution: Clean the filter by removing dirt and deposits from the filter. Properly install the filter after cleaning.
Faulty Thermostat
Description: A thermostat regulates water temperature. The thermostat won’t heat the water properly if it has a malfunctioning thermostat, which triggers the 3 flashes error code.
Solution: Check the thermostat with a multimeter for continuity. Replace the thermostat if it is malfunctioning.
Step-by-Step Troubleshooting Guide
To diagnose and repair the 3 flashes error code properly, follow the following steps:
Check the Heating Element
- Cut power to the dishwasher.
- Locate the position of the heating element and inspect for physical damage.
- Check the heating element with a multimeter for continuity to see if continuity is present or not.
- Replace the element with a new one if the element is faulty.
Check the Temperature Sensor
- Disconnect the dishwasher.
- Locate the temperature sensor and remove it from the wiring harness.
- Check with the multimeter and sensor for continuity.
- Replace the sensor if the sensor is faulty.
Check the Control Board
- Disconnect the dishwasher.
- Locate the control board and inspect for physical damage or blown fuses.
- Replace the damaged control board with a new control board.
Check the Water Inlet Hose and Valve
- Check the water hose and inlet valve for blockage or kinking.
- Check the water supply and water inlet valve.
- Replace the water hose or inlet valve as and when needed.
Cleaning the Filter
- Locate the filter and pull it out of the dishwasher.
- Clean the filter so the filter is thoroughly cleared of the clog as well as dirt.
- Put the filter back to its original location after cleaning.
Testing the Thermostat
- Unplug the dishwasher from power.
- Find the thermostat and pull it out of the wiring harness.
- Test the thermostat with a multimeter for continuity.
- Replace the thermostat, if the thermostat is faulty.
Preventive Maintenance Tips
To minimize occurrences of the 3 flashes error code and extend your Whirlpool dishwasher’s lifespan, adhere to the following preventive maintenance tips:
- Regular Cleaning: Periodically clean the filter, spray arms, and inner surfaces to prevent clogging and deposition.
- Check Hoses: Check the drain hose and water inlet hoses periodically for kinking, damage, or clogging.
- Check Water Pressure: Check that water pressure is in the correct range to prevent supply issues.
- Use Recommended Detergents: Use dishwasher detergent with residue buildup resistance.
- Run Routine Maintenance Cycles: Run routine maintenance cycles using a dishwasher cleaner to de-scale any lime scale or grease deposit.
When to Call a Professional
Whereas most issues with the 3 flashes error code are simple enough to rectify using a bit of troubleshooting, some should be left to professionals. Where you notice that error codes keep repeating or you have no idea where to begin to have the repairs done, you need to have your vehicle repaired by a professional mechanic. They have the equipment and knowledge required to diagnose and repair complex issues safely.
Conclusion
Being well familiar with Whirlpool dishwasher error code 3 flashes is critical to the device’s smooth operation and longevity. Being aware of the likely fixes and solutions ahead of time, diagnosis and avoidance of future losses are a breeze. Maintenance and prompt repair will have your dishwasher up and rolling in the optimum condition in a snap, spewing out squeaky clean dishes for years to come.