Unclogging your whirlpool dishwasher: how to test the drain pump and restore functionality
What To Know
- A malfunctioning drain pump can lead to a dishwasher that fails to drain properly, leaving your dishes wet and dirty.
- Remove the drain pump from the dishwasher and inspect the impeller for any debris or damage.
- Common signs include water remaining in the dishwasher after a cycle, dishes not being cleaned properly, and humming or grinding noises coming from the dishwasher.
A malfunctioning drain pump can lead to a dishwasher that fails to drain properly, leaving your dishes wet and dirty. Testing the drain pump is a crucial step in troubleshooting dishwasher drainage issues. This guide will provide you with a comprehensive walkthrough on how to test a Whirlpool dishwasher drain pump.
Identifying the Drain Pump
1. Locate the drain pump: It is usually situated at the bottom of the dishwasher, behind the kickplate or access panel.
2. Identify the pump: Look for a cylindrical or drum-shaped component with wires and hoses attached to it.
Disconnecting the Drain Pump
1. Unplug the dishwasher: Disconnect the power cord from the outlet.
2. Remove the kickplate or access panel: Locate the screws or clips holding the panel in place and remove them.
3. Disconnect the wires: Unplug the electrical connectors from the drain pump.
4. Detach the hoses: Use pliers to loosen the hose clamps and detach the drain hose and any other connected hoses.
Testing the Drain Pump
1. Inspect the impeller: Remove the drain pump from the dishwasher and inspect the impeller for any debris or damage.
2. Apply power directly: Connect the drain pump directly to a power source using jumper wires. The pump should start running immediately.
3. Check for water flow: Place the drain pump in a bucket of water and observe if water is being pumped out.
4. Measure voltage: Use a multimeter to measure the voltage at the drain pump terminals. The voltage should be between 110-120 volts.
Troubleshooting Drain Pump Issues
- No power: Check the electrical connections, circuit breaker, and power cord.
- Impeller clogged: Remove debris from the impeller and housing.
- Faulty motor: Replace the drain pump if the motor is not running or is damaged.
- Blocked drain hose: Inspect the drain hose for kinks or clogs.
- Faulty control board: The control board may need to be replaced if it is not sending power to the drain pump.
Reinstalling the Drain Pump
1. Connect the hoses: Reattach the drain hose and any other disconnected hoses.
2. Connect the wires: Plug the electrical connectors back into the drain pump.
3. Install the drain pump: Place the drain pump back into its housing and secure it with screws or clips.
4. Reinstall the kickplate or access panel: Replace the kickplate or access panel and secure it.
5. Plug in the dishwasher: Reconnect the power cord to the outlet.
Final Thoughts: Ensuring Optimal Dishwasher Performance
Testing the Whirlpool dishwasher drain pump is a crucial step in diagnosing and resolving drainage issues. By following the steps outlined in this guide, you can effectively troubleshoot and repair your dishwasher, ensuring optimal performance and clean, dry dishes.
Basics You Wanted To Know
Q: Can I test the drain pump without removing it from the dishwasher?
A: Yes, you can apply power directly to the drain pump terminals while it is still installed to check if it is running.
Q: How often should I clean the drain pump?
A: It is recommended to clean the drain pump every 3-6 months to prevent clogging and ensure proper drainage.
Q: What are the signs of a faulty drain pump?
A: Common signs include water remaining in the dishwasher after a cycle, dishes not being cleaned properly, and humming or grinding noises coming from the dishwasher.