Quick answer
Dishwasher error E15 means the unit is not filling with water. First, check the water supply valve and inlet filter for clogs. If those are clear, test the inlet valve and pressure switch. Reset the dishwasher after repairs.
Confirm the symptom
- Error code E15 appears on the display
- Dishes are not getting clean
- Dishwasher does not fill with water during cycles
Tools and prep
- Screwdriver (Phillips and flathead)
- Adjustable wrench
- Plumber's putty or Teflon tape
- Bucket or towel
- Multimeter (for testing electrical components)
- Owner's manual for your dishwasher model
Step-by-step troubleshooting
- Check Water Supply ValveDo: Locate the water supply valve under the sink and ensure it is fully open.Observe: Water should flow freely when you turn on the valve.Means: If the valve is closed or partially closed, opening it may resolve the issue.Next: If water flows, proceed to step 2. If not, check for a clogged inlet filter.
- Inspect Inlet FilterDo: Turn off the power to the dishwasher. Locate and remove the inlet filter (usually at the water inlet connection).Observe: The filter should be clean and free of debris.Means: A clogged filter can prevent water from entering the dishwasher.Next: If the filter is clogged, clean it and reassemble. If not, move to step 3.
- Test Inlet ValveDo: Use a multimeter to test the inlet valve for continuity. If there is no continuity, the valve is faulty.Observe: The multimeter should show a reading if the valve is working.Means: A faulty inlet valve will need to be replaced.Next: If the valve is faulty, replace it. If it's working, check the pressure switch in step 4.
- Check Pressure SwitchDo: Locate the pressure switch and test it with a multimeter. Ensure it is receiving power and functioning properly.Observe: The pressure switch should close when water pressure is applied.Means: A faulty pressure switch can prevent the dishwasher from detecting water flow.Next: If the pressure switch is faulty, replace it. If not, consult a professional.
- Inspect Water Inlet HoseDo: Check the water inlet hose for kinks, cracks, or blockages. Ensure it is securely connected to both the dishwasher and the water supply line.Observe: The hose should be straight and free of damage.Means: A damaged or kinked hose can restrict water flow.Next: If the hose is damaged, replace it. If it's fine, check the water supply line.
- Verify Water Supply LineDo: Ensure the water supply line is not frozen or blocked. Check for any kinks or obstructions in the line.Observe: Water should flow freely from the supply line.Means: A blocked or frozen supply line will prevent water from reaching the dishwasher.Next: If the line is blocked, clear it. If it's frozen, thaw it carefully. If all else fails, call a professional.
- Reset the DishwasherDo: After making any repairs, reset the dishwasher by turning off the power for 1–2 minutes and then turning it back on.Observe: The error code should clear, and the dishwasher should operate normally.Means: Resetting the dishwasher can clear temporary errors and restart the system.Next: Run a test cycle to ensure the issue is resolved.
Common causes
| Cause | Likelihood | Difficulty | Part often needed |
|---|---|---|---|
| Clogged Inlet Filter The filter can become blocked with sediment or debris, preventing water from entering the dishwasher. | Common | Easy | Inlet Filter |
| Faulty Inlet Valve The inlet valve may be defective and not allowing water to flow into the dishwasher. | Common | Medium | Inlet Valve |
| Kinked or Damaged Water Inlet Hose A kink or damage in the hose can restrict water flow to the dishwasher. | Sometimes | Easy | Water Inlet Hose |
| Faulty Pressure Switch The pressure switch may not be detecting water flow, causing the E15 error. | Sometimes | Medium | Pressure Switch |
| Blocked Water Supply Line The water supply line to the dishwasher may be blocked or frozen. | Rare | Easy | Water Supply Line |
| Low Water Pressure Insufficient water pressure can prevent the dishwasher from filling properly. | Rare | Easy | Water Pressure Regulator |
Parts matching
Common parts needed to fix error E15 include:
- Inlet Filter
- Inlet Valve
- Water Inlet Hose
- Pressure Switch
- Water Supply Line
- Water Pressure Regulator
Always refer to your dishwasher's manual for the correct part numbers and specifications.
When to call a professional
- If the error persists after replacing the inlet filter and inlet valve
- If you are unable to locate or test the pressure switch
- If the water supply line is frozen and you are unable to thaw it safely
- If you suspect a more complex electrical issue with the dishwasher
- If you are not comfortable working with electrical components or plumbing
FAQ
What does error code E15 mean on a dishwasher?
Error code E15 indicates that the dishwasher is not filling with water properly. This can be due to a clogged filter, faulty inlet valve, or issues with the water supply.
Can I fix error E15 myself?
Yes, many common causes of E15 can be addressed by homeowners with basic tools and knowledge. Check the water supply valve, inlet filter, and inlet valve first.
How do I know if the inlet valve is faulty?
If the inlet valve is faulty, the dishwasher will not fill with water. You can test it with a multimeter for continuity. If there is no continuity, the valve needs to be replaced.
Why is my dishwasher showing E15 even after I replaced the inlet valve?
If the error persists after replacing the inlet valve, there may be an issue with the pressure switch or the water supply line. Check these components next.
How can I prevent error E15 in the future?
Regularly clean the inlet filter and check the water supply line for blockages. Ensure the water supply valve is fully open and the inlet hose is in good condition.