Smeg Dishwasher Error E9
⚡ Quick Answer: The Smeg dishwasher E9 error signifies a malfunction related to water level or flood protection. This error interrupts the cycle due to an abnormal wa... ✅ DIY Fixable
What Does Error E9 Mean?
The Smeg dishwasher E9 error signifies a malfunction related to water level or flood protection. This error interrupts the cycle due to an abnormal water level, typically caused by too much water in the tub or a trigger from the safety float. You may notice the cycle halting immediately, unusual noises during operation, or water accumulating in the base tray.
Common Symptoms:
- Dishwasher cycle stops immediately when E9 appears
- Too much water detected in the tub or base
- Possible water in base tray (safety float triggered)
- Water level not within expected range
Possible Causes
- Flood protection / water overfill condition (high)
How to Fix Error E9
DIY Fix Check for overflow and reset the dishwasher
- Turn off and unplug the dishwasher or switch off power at the breaker.
- Inspect the area underneath the unit for any standing water and carefully mop up if present.
- Open and close the dishwasher door or restore power to attempt a reset.
- Ensure that the dishwasher is level and that the drain hose has no kinks.
Technician Only Inspect and service water level/flood detection components
- Remove the lower front panel to access the base tray and inspect for water ingress.
- Check the safety float switch for free movement and proper operation; test continuity if possible.
- Inspect inlet valve, pressure switch/air trap, and drain systems for blockages or malfunction that could cause incorrect water levels.
- Test and, if necessary, replace any faulty sensors or the flood detection assembly.
Parts needed: Safety float switch, Pressure switch/air trap assembly, Inlet valve, Drain/filter components
- If after basic checks and reset the E9 error returns
- If there is water present in the base tray that cannot be safely cleared
- If you are uncomfortable working near electrical components or internal sensors
Next step
Choose the next step for E9
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Float Switch
Detects the maximum water level to prevent overflow and potential flooding.
- Typical part-only price
- $15 - $40
- DIY difficulty
- Easy
- Estimated time
- 10-20 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other components that may be involved
Check these only if your diagnosis points to them.
Pressure Switch
Detects the water level inside the tub and signals when to start or stop filling.
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Technical Specifications
| wattage | 30W |
|---|---|
| component | Drain Pump |
| resistance | 20-40 ohms |
| part_number | Smeg 691810086 |
| voltage_rating | 230V AC |
Common Questions
What does E9 error mean on smeg dishwasher?
E9 indicates a water level or flood protection malfunction, causing the dishwasher to stop.
Can I fix smeg dishwasher E9 error myself?
Yes, you can reset the dishwasher and check for overflow issues.
How much does it cost to fix E9 error?
Repair costs range from $80 to $300+, depending on parts and service rates.
When should I call a technician for E9?
Call a technician if the error persists after resets or if water cannot be cleared safely.
Sources & References
Data last verified: 2026-07-25
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