Kenmore Dishwasher Not Draining: Troubleshooting Guide
Quick answer
First, check for clogs in the drain hose or filter. Ensure the drain pump is functioning. If these steps don't work, you may need to replace the drain pump or control board. Always ensure the dishwasher is unplugged before starting any repairs.
Confirm the symptom
- Dishwasher leaves standing water at the end of the cycle.
- Dishes are not getting clean due to poor drainage.
- Dishwasher makes unusual noises during the drain cycle.
- Error codes related to drainage appear on the control panel.
Tools and prep
- screwdriver set
- bucket
- towel
- flashlight — to see in dark spaces
- gloves — to protect hands from water and debris
- multimeter — to test electrical components
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Prep & safety
- Ensure the dishwasher is unplugged from the power source before starting any repairs.
- Turn off the water supply to the dishwasher.
- Clear the area around the dishwasher for easy access.
- Gather all necessary tools and parts before beginning the troubleshooting process.
Step-by-step troubleshooting
Check the Drain Filter
Do: Locate the drain filter at the bottom of the dishwasher tub. Remove it by turning it counterclockwise.
Observe: Look for any debris or blockages in the filter.
Means: Clean the filter thoroughly with warm water and soap.
Next: Reassemble and test the dishwasher.
Inspect the Drain Hose
Do: Disconnect the drain hose from the dishwasher and the drain pipe.
Observe: Check for any kinks, clogs, or damage in the hose.
Means: Straighten any kinks and clear any clogs. Replace the hose if damaged.
Next: Reconnect the hose and test the dishwasher.
Check the Air Gap
Do: Locate the air gap on the kitchen counter or sink.
Observe: Remove the cap and check for blockages.
Means: Clear any debris and test the dishwasher.
Next: If the problem persists, move to the next step.
Test the Drain Pump
Do: Locate the drain pump, usually at the bottom of the dishwasher.
Observe: Use a multimeter to test for continuity. Listen for any unusual noises when the dishwasher is running.
Means: If the pump is faulty, it may need to be replaced.
Next: If the pump is working, move to the next step.
Inspect the Drain Valve
Do: Locate the drain valve, usually near the drain pump.
Observe: Check for any blockages or damage.
Means: Clear any debris and test the dishwasher. Replace the valve if damaged.
Next: If the problem persists, move to the next step.
Check the Control Board
Do: Locate the control board, usually behind the control panel.
Observe: Inspect for any signs of damage or burnt components.
Means: If the control board is faulty, it may need to be replaced.
Next: If the control board is working, the issue may be more complex.
Common causes table
| Cause | Why | Likelihood | Difficulty | Part often needed |
|---|---|---|---|---|
| Clogged Drain Filter | Food particles and debris can accumulate and block the filter. | High | Easy | None |
| Kinked or Clogged Drain Hose | The hose can become kinked or clogged with debris over time. | Medium | Medium | Drain hose |
| Blocked Air Gap | The air gap can become clogged with food particles and debris. | Medium | Easy | None |
| Faulty Drain Pump | The drain pump can fail due to wear and tear or blockages. | Medium | Medium | Drain pump |
| Damaged Drain Valve | The drain valve can become damaged or blocked, preventing proper drainage. | Low | Medium | Drain valve |
| Faulty Control Board | The control board can malfunction, affecting the dishwasher's operation. | Low | Hard | Control board |
Parts matching
When replacing parts, ensure they match your specific Kenmore dishwasher model.
- Drain pump: Match the model number and voltage (e.g., Kenmore 120V Drain Pump).
- Drain hose: Match the length and diameter (e.g., 6-foot, 1/2-inch drain hose).
- Drain valve: Match the model and type (e.g., Kenmore Drain Valve for specific models).
- Control board: Match the model number and compatibility (e.g., Kenmore Control Board for specific dishwasher models).
Always double-check the model number and compatibility before purchasing replacement parts.
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When to call a pro
- If the dishwasher is under warranty, contact the manufacturer for service.
- If you are not comfortable performing the repairs yourself.
- If the issue persists after trying all troubleshooting steps.
- If you suspect a more complex issue, such as a faulty control board.
FAQ
Why is my Kenmore dishwasher not draining?
Common causes include a clogged drain filter, kinked or clogged drain hose, blocked air gap, faulty drain pump, damaged drain valve, or a malfunctioning control board.
How do I clean the drain filter in my Kenmore dishwasher?
Locate the drain filter at the bottom of the dishwasher tub, remove it by turning it counterclockwise, and clean it thoroughly with warm water and soap.
What should I do if my dishwasher's drain hose is kinked?
Straighten the kink in the hose and ensure it is properly connected. If the hose is damaged, replace it with a new one.
How can I test the drain pump in my Kenmore dishwasher?
Use a multimeter to test for continuity. Listen for any unusual noises when the dishwasher is running. If the pump is faulty, it may need to be replaced.