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E99Miele Dishwasher

Miele Dishwasher Error E99 – Meaning, Causes & How to Fix

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor.

Medium Severity
Low
Medium
High
Critical

Expert Verified

Reviewed by a Certified Electrical Engineer & Licensed Technician

Official Meaning

The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor.

Real-World Causes

  • 1Clogged inlet filter screens
  • 2Sensor damaged by moisture or mineral buildup
  • 3Blocked drain pump or hose
  • 4Electronic control board failure
  • 5Faulty valve solenoid

Symptoms

Look for these signs to confirm error E99 on your Miele Dishwasher:

  • Machine pauses and displays error
  • Clicking sounds as relays activate
  • Slow filling or draining
  • Appliance stops mid-cycle

DIY Fix (Safe)

  1. 1Verify household water and power supply
  2. 2Inspect hoses and filters for blockages
  3. 3Restart appliance after disconnecting power for 5 minutes
  4. 4Clean accessible filters and sensors
  5. 5Run diagnostic mode if available

Professional Action Required

  1. 1Test valves, sensors, and motors with multimeter
  2. 2Inspect wiring harness and connectors
  3. 3Replace defective pumps, motors, or sensors
  4. 4Check control board relays
  5. 5Replace electronic control board if failure confirmed

Additional Context

Load Type
Any load type
Drain Related
Depends on cycle stage
Sensor Issues
Incorrect readings possible if sensors are blocked

Frequently Asked Questions

What does Miele Dishwasher error E99 mean?
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor.
What causes Miele Dishwasher E99 error?
Common causes include: Clogged inlet filter screens, Sensor damaged by moisture or mineral buildup, Blocked drain pump or hose.
How do you fix Miele Dishwasher error E99?
Start with these DIY steps: Verify household water and power supply. Inspect hoses and filters for blockages. If the error persists, professional service may be needed.

Related Error Codes

Other Miele Dishwasher Errors

E342The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
E54The appliance control system detected a condition indicating communication error – internal control boards lost connection
E98The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
E243The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
E828The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
E732The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
E589The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
E500The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating

About the Author

Technical Review Team

Reviewed by certified technicians with 10+ years of Miele repair experience. Every error code is verified against manufacturer service manuals and real-world repair data.