Thermador Dishwasher IE Error Code: Causes and Fixes
Quick answer: Inlet water timeout
What you’ll notice
Dishwasher does not fill with water within the timeout period.
Thermador
Dishwasher
Code IE
medium severity
Thermador models: Thermador is owned by the Bosch Group and shares the Bosch dishwasher platform. The three-stage filter system is identical to Bosch. Thermador dishwashers are typically flush-installed in cabinetry — pull forward carefully on the levelling feet to access drain and inlet connections.
Common causes
- Water supply valve (under the sink) closed or partially closed
- Inlet hose kinked
- Inlet mesh filter on the machine clogged with sediment
Step-by-step fix
- Verify the shut-off valve is fully open.
- Inspect the inlet hose for kinks.
- Shut off water, disconnect the inlet hose at the machine, and pull the small mesh filter out with pliers — rinse and reinstall.
- Restore water and run a rinse cycle.
Tools you may need
PliersSmall brushBucket
Prevention
- Replace the inlet hose every 5 years.
- Fit a metal-reinforced hose to reduce kink risk.
When to stop DIY
Replace the inlet solenoid valve if the supply and filter are confirmed good but the machine still won't fill.
FAQ
What does IE mean on Thermador dishwasher?
IE usually indicates: Inlet water timeout.
Can I keep using the appliance with IE?
Use caution. Severity is medium. Replace the inlet solenoid valve if the supply and filter are confirmed good but the machine still won't fill.
How long does this fix usually take?
Typical first-pass troubleshooting takes 10–15 minutes.