ERROR CODE EXPLAINED
Thermador Dishwasher
Thermador Dishwasher E9240 / E92-40 Error Code
What it means
Thermador says dishwasher e9240 can involve a blocked filter, a blocked or loose drain-pump cover, a kinked drain-pump hose, or a clogged air gap or drain hose.
Try this first
- Remove the dishwasher filter, wash it under running water with mild soap and a soft brush, and reinstall it.
- Remove the drain-pump cover, remove standing water and loose debris, then reinstall the cover until it clicks into place.
- Check the drain-pump hose for sharp bends or kinks.
- Turn off the dishwasher and inspect the air gap.
- Disconnect the drain hose into a bucket, clear debris, reconnect the hose, and run a rinse cycle to test operation.
- If the issue remains, contact Thermador Customer Support.
Can I keep using it?⚠ Thermador says dishwasher e9240 can involve a blocked filter, a blocked or loose drain-pump cover, a kinked drain-pump hose, or a clogged air gap or drain hose.
Repair usually required?⚠ Follow only the manufacturer-backed checks listed below before replacing parts.
If the error keeps returning
Use the linked official manufacturer support article for model-specific details and service guidance.
Official source
Troubleshooting information verified against manufacturer support documentation.
View manufacturer support page →Safety note:ApplianceSignal provides general troubleshooting information. Always follow the appliance manufacturer's safety instructions and disconnect power when required.