Thermador Dishwasher Error E6900

⚡ Quick Answer: The Thermador dishwasher error E6900 indicates a potential malfunction in the drain pump or circulation motor, often characterized by unusual sounds a... ✅ DIY Fixable

What Does Error E6900 Mean?

The Thermador dishwasher error E6900 indicates a potential malfunction in the drain pump or circulation motor, often characterized by unusual sounds and inadequate water drainage. If this error occurs, it is essential to check for issues such as failure to circulate water or abnormal noises during operation.

Possible Causes

  • Drain Pump
  • Clogged Drain Filter
  • Faulty Control Board

How to Fix Error E6900

DIY Fix General checks

  1. Power cycle the dishwasher (turn off breaker for ~30 seconds and restore power) to clear transient faults.
  2. Ensure the dishwasher is not mid‑cycle and that no other error codes are displayed.
  3. Inspect for any obvious issues such as unusual noises, failure to circulate water, or agitation problems.

Technician Only Technician diagnosis

  1. Use diagnostic tools/service mode to read full fault code definition from the control board.
  2. Inspect the circulation/motor assembly including motor, impeller, and wiring for faults.
  3. Check motor communications and related sensor inputs.

Parts needed: circulation motor, motor control board, associated wiring/harness

🛑 When to Call a Pro:
  • If the dishwasher does not operate normally after a power cycle.
  • If there are signs of motor malfunction (loud noise, failure to spray water).
  • If other error codes appear in conjunction with E6900.

Technical Specifications

wattage 50W
component Drain Pump
resistance 10-20 ohms
part_number Thermador 00741180
voltage_rating 120V AC

Common Questions

What does E6900 error mean on thermador dishwasher?

E6900 indicates a malfunction in the drain pump or circulation motor, causing unusual sounds and drainage issues.

Can I fix thermador dishwasher E6900 error myself?

Yes, you can power cycle the dishwasher and check for visible issues like noise and water circulation.

How much does it cost to fix E6900 error?

Repair costs vary widely based on diagnosis and parts needed, typically involving the circulation motor or control board.

When should I call a technician for E6900?

Call a technician if the dishwasher doesn't operate normally after a power cycle or if you notice motor malfunctions.

Sources & References

Data last verified: 2026-03-25

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