Thermador Dishwasher Error E04
⚡ Quick Answer: The Thermador Dishwasher E04 error code indicates a malfunction in the heating system, specifically faulty heater electronics detected during a self-t... ✅ DIY Fixable
What Does Error E04 Mean?
The Thermador Dishwasher E04 error code indicates a malfunction in the heating system, specifically faulty heater electronics detected during a self-test. This issue often results in the dishwasher displaying the E04 code, accompanied by poor water heating during cycles and unusual sounds. If the dishwasher fails to drain properly, it may signal a deeper problem within the heating components.
Common Symptoms:
- Dishwasher displays E04 on control panel
- Heater not functioning correctly
- Poor water heating during cycle
Possible Causes
- Faulty heater electronics detected during self‑test (high)
How to Fix Error E04
DIY Fix Basic Restart and Check
- Turn off dishwasher and disconnect power (unplug or switch off circuit breaker) for 30 seconds
- Restore power and attempt a new wash cycle
Technician Only Diagnose and Repair Heating System
- Verify error using service diagnostic mode if available
- Check heating element circuitry and heater control electronics for faults
- Test resistance/continuity of heating element and associated wiring
- Replace defective heating electronics component or control board as needed
Parts needed: Heating element assembly, Heater control electronics, Wiring harness, Control board if linked
- If E04 persists after power reset
- If heater element tests out of spec
- If technician diagnostics show control electronics failure
Next step
Choose the next step for E04
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
Heating Element
Heats the water or air inside the appliance to the required temperature.
- Typical part-only price
- $40 - $95
- DIY difficulty
- Medium
- Estimated time
- 30-45 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.
Wiring Harness
Connects controls, sensors, motors, and other electrical components inside the appliance.
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
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.
Technical Specifications
| wattage | 60W |
|---|---|
| component | Drain Pump Assembly |
| resistance | 10-30 ohms |
| part_number | Thermador 00716467 |
| voltage_rating | 120V AC |
Common Questions
What does E04 error mean on Thermador Dishwasher?
E04 indicates a malfunction in the heating system, affecting water heating and operation.
Can I fix Thermador Dishwasher E04 error myself?
Yes, you can try a basic restart by turning off the dishwasher and restoring power after 30 seconds.
How much does it cost to fix E04 error?
Estimated repair costs range from $150 to $500+, depending on parts and labor.
When should I call a technician for E04?
Call a technician if E04 persists after a power reset or if diagnostics indicate control electronics failure.
Sources & References
- Thermador Dishwasher Error Codes (E04) (official)
- Thermador Canada Dishwasher Error Codes (E04) (official)
Data last verified: 2026-07-22
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