Hoover Dishwasher: error code E30
What is this symptom?
Experiencing an E30 error on your Hoover dishwasher? This indicates water has been detected in the base, triggering the anti-flood safety feature. The appliance may stop mid-cycle and emit beeping sounds. Common causes include drainage blockages or leaks, which need to be addressed to restore functionality.
Important Tips for Hoover Models
- E30 on many Hoover models specifically points to water detected in base triggering anti-flood protection and/or a drainage fault.
Possible Causes
Water detected in the base (anti-flood activation)
How to Identify: Dishwasher stops mid-cycle, water present in base beneath tub, E30 displayed.
Part: Leak/flood sensor and lower pan
Drainage blockage (filter, hose, pump obstruction)
How to Identify: Dishwasher fails to drain water, water remains in sump, filter debris visible, pump impeller blocked.
Part: Drain filter, drain hose, drain pump
Leak around seals or internal hose/joint
How to Identify: Visible water around door seals or under unit, softened/cut seals, kinked/broken hoses.
Part: Door seals, internal hoses/connections
Incorrect detergent/foam overflow
How to Identify: Excessive foam during cycles, code appears after heavy sudsing.
Part: Detergent system
DIY Solutions
Remove water from base and reset anti-flood
- Turn off and unplug the dishwasher (or switch breaker off).
- Pull the dishwasher out from under the counter carefully.
- Tilt the unit backward at around 45° to drain water from the base pan into a bucket or towels.
- Remove any collected water with towels or a wet/dry vacuum.
- Return dishwasher to position and power on to see if E30 clears.
Clean filters, inspect drain pump and hose
- Remove bottom front kick plate and dishwasher filter assembly.
- Clean the filter and remove debris.
- Inspect the drain pump area for obstructions; clear any debris from impeller area.
- Check the drain hose for kinks or clogs; detach and flush if needed.
- Reassemble and run a short drain cycle to test.
Next step
Choose the next step for error code E30
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 parts options
Check related components first; use model search as a fallback.
Drain Hose
Carries waste water from the drain pump to your home's standpipe or sink drain.
Drain Pump
Pumps waste water out of the appliance during the drain cycle.
Model-compatible Dishwasher parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Dishwasher Cleaner and Descaler
Supports routine removal of mineral scale, grease, and odor. It is maintenance, not a repair for a failed pump, valve, or control.
Braided Dishwasher Inlet Hose
For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Professional Repairs
Replace drain pump or flood sensor assembly
Repair internal leaks and hose replacements
When to Call a Professional
Preventive Maintenance
-
Clean filters and drain hose: Drain blockages that can lead to water accumulation and E30 errors
Frequency: Monthly -
Inspect door seals: Leaks that may trigger anti-flood sensors
Frequency: Quarterly
Frequently Asked Questions
Why is my Hoover Dishwasher Error code E30?
How do I fix Hoover Dishwasher Error code E30 myself?
How much does it cost to fix Error code E30?
When should I call a technician for Error code E30?
Community Analytical Insights
Guidance from available sources; statistical claims are shown only for samples of at least 10 discussions
Common Issues Reported by Users
- Faulty water level sensor
- Clogged drain or filter
- Electrical issue or wiring fault
User Suggested Solutions
-
Inspect and clean the drain and filter. Remove any debris or blockages that could be causing the E30 error. Check the water level sensor for proper function and clean any buildup around it.
-
Test the water level sensor for continuity using a multimeter. If faulty, replace the sensor with a new one.
-
Inspect the wiring and connections for any signs of damage or corrosion. Repair or replace any damaged wires.
Limited-source guidance; percentages and success-rate claims are not shown
View
Sources
Data compiled from real discussions on r/appliancerepair and r/Appliances:
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