Bosch Dishwasher: error code E:07

Professional Repair Guide

What is this symptom?

Experiencing Bosch Dishwasher Error code E:07? This error indicates a fault in the drying system, often linked to a defective Zeolite fan motor. When this error occurs, your dishwasher may halt operation and exhibit poor drying performance. Understanding the causes and solutions can help you efficiently resolve this issue.

Urgency: Medium

Important Tips for Bosch Models

  • Bosch official error code list states E07 indicates a defective Zeolite (Crystal Dry) fan motor.

Possible Causes

Drying fan motor failure

How to Identify: Error code E:07 is displayed; dishwasher may show poor drying performance; fan may not run or be noisy when manually powered

Part: Zeolite drying fan motor

Loose or damaged wiring to drying fan

How to Identify: After accessing fan assembly, wires appear loose, frayed or disconnected; secure connectors may clear error

Part: Wiring harness between control board and drying fan

Airflow obstruction in drying/vent system

How to Identify: Physical blockage of fan blades or vent openings; removal of debris may restore airflow and clear error

Part: Drying fan vent, intake pathways

Control board failing to detect fan operation

How to Identify: Fan motor tests good for resistance/continuity yet E:07 persists; control board may not send or receive proper signals

Part: Dishwasher control board

DIY Solutions

Power reset to clear memory and reinitialize fan detection

Easy 5-10 minutes
Tools Needed: none
  1. Turn off dishwasher via power switch or breaker
  2. Wait at least 30 seconds to 1 minute
  3. Restore power and attempt to restart a wash cycle

Inspect and clear airflow obstructions in vent/fan area

Moderate 20-40 minutes
Tools Needed: screwdriver, flashlight
  1. Disconnect dishwasher power
  2. Remove toe kick panel and access the base of dishwasher
  3. Locate drying fan/vent opening and check for debris or food blockage
  4. Clear obstructions manually or with vacuum
  5. Reassemble panels and test dishwasher
⚠️ Safety First: Ensure power is disconnected before panel removal

Check and secure drying fan wiring/connectors

Advanced 30-60 minutes
Tools Needed: screwdriver, multimeter (optional)
  1. Disconnect power to dishwasher
  2. Remove access panels to reach drying fan motor wiring
  3. Inspect wiring harness for loose or damaged connections
  4. Reconnect any loose plugs and secure wiring
  5. Optionally test continuity with multimeter
  6. Reassemble and power on to test
⚠️ Safety First: Disconnect power before working on wiring

Professional Repairs

Replace faulty drying fan motor

Estimated Cost: $80 - $200

Replace control board (if confirmed faulty)

Estimated Cost: $200 - $500

When to Call a Professional

Fan motor replacement required
Control board diagnosed as faulty
User not comfortable accessing internal components
Persistent error after DIY steps

Preventive Maintenance

  • Regularly check and clean fan vent and base area: Airflow blockages that can stress fan and trigger drying errors
    Frequency: every 3-6 months
  • Ensure dishwasher filters and sump area are clean: Debris buildup that may indirectly affect airflow and sensor readings
    Frequency: monthly

Frequently Asked Questions

Why is my Bosch Dishwasher Error code E:07?
Error code E:07 indicates a drying system fault, commonly due to a defective Zeolite fan motor.
How do I fix Bosch Dishwasher Error code E:07 myself?
You can reset the power, check for airflow blockages, or inspect and secure the drying fan wiring.
How much does it cost to fix Error code E:07?
Professional repairs for E:07 typically range from $80 to $500, depending on the issue.
When should I call a technician for Error code E:07?
If DIY solutions don't resolve the issue, or if you're uncomfortable with advanced repairs, contact a technician.

References & Sources

Community Analytical Insights

Analysis based on real user discussions from appliance repair communities

Can I Fix This Myself?

65%
DIY Success Rate Difficulty: Either

Common Issues Reported by Users

  • Faulty heating element
  • Malfunctioning temperature sensor
  • Issues with the control board

User Suggested Solutions

  1. Check and replace the heating element. To do this, disconnect the dishwasher from power, remove the lower spray arm, and access the heating element. Use a multimeter to test for continuity and replace if necessary.

  2. Test the temperature sensor. Disconnect the dishwasher from power, locate the sensor (usually near the heating element), and use a multimeter to check its resistance. Replace if it’s outside the normal range.

  3. Inspect the control board for burn marks or damaged components. If found, replace the control board. This may require professional assistance if soldering is needed.

Analysis based on 1 community discussions
View Sources

Data compiled from real discussions on r/appliancerepair and r/Appliances:

  1. Bosch 800 Series — E:07 Failure After 3 Years (The Technicia...

Community Discussions

E:07 error

Replaced crumbled plastic part with stainless steel replacement parts.

Pro needed View on Reddit →

Source: Reddit r/appliancerepair

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