Bosch Dryer Error E05

⚡ Quick Answer: The Bosch dryer error E05 indicates a malfunction in the control electronics or moisture sensors, often resulting in the dryer failing to start or sto... ✅ DIY Fixable

What Does Error E05 Mean?

The Bosch dryer error E05 indicates a malfunction in the control electronics or moisture sensors, often resulting in the dryer failing to start or stopping shortly after starting. This error may also appear during the drying cycle and is commonly associated with heat pump models. Regular maintenance, including cleaning the lint filter and sensors, is essential to prevent this issue.

Common Symptoms:

  • Dryer won’t start or stops shortly after starting with E05 displayed (community repair guide)
  • Error appears during or before drying cycle depending on model (forum reports) %C3%B6sungsvorschl%C3%A4ge/?utm_source=chatgpt.com))
  • E05 may appear with heat pump Bosch models along with other codes (community technician chat)

Possible Causes

  • Control board / electronics fault (medium)
  • Moisture or temperature sensor fault (medium)

How to Fix Error E05

DIY Fix Basic checks and resets

  1. Unplug the dryer from power and leave it disconnected for 5–10 minutes to allow control electronics to fully reset.
  2. Reconnect power and attempt a short drying cycle to see if error persists.
  3. Clean lint filter, lint pathways, and drum sensors gently (sensor bars near lint filter/drum).
  4. Ensure proper airflow around the dryer and remove obvious lint blockages from exterior vents.

Technician Only Detailed diagnostics and repair

  1. Inspect internal wiring harnesses, connectors, and main PCB for signs of corrosion, burn marks, or looseness.
  2. Test moisture and/or temperature sensors with appropriate diagnostic tools to confirm functionality.
  3. If control board or sensor modules are confirmed faulty, replace with Bosch‑specified parts.
  4. Verify model‑specific diagnostic codes via Bosch service tool if available.

Parts needed: Main control board (PCB), Moisture sensor / NTC temperature sensors, Wire harnesses and connectors

🛑 When to Call a Pro:
  • Error persists after basic reset and cleaning
  • Visible burned components, broken wiring, or water/moisture damage inside the dryer
  • Unusual noises or heating issues accompany the error code

Technical Specifications

wattage 2400W
component Heating Element
resistance 10-30 ohms
part_number Bosch 00420025
voltage_rating 240V AC

Common Questions

What does E05 error mean on Bosch dryer?

E05 indicates a control electronics or moisture sensor malfunction, preventing proper operation.

Can I fix Bosch dryer E05 error myself?

Yes, try unplugging the dryer for 5–10 minutes to reset it and clean the lint filter and sensors.

How much does it cost to fix E05 error?

Repair costs range from ¥15,000 to ¥60,000+, depending on parts and labor.

When should I call a technician for E05?

Call a technician if the error persists after resetting, or if you notice burned components or unusual noises.

Sources & References

Data last verified: 2026-01-16

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