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Error Code

Bosch Refrigerator E01

E01 typically points to a sensor or control communication fault in the refrigerator.

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Reviewed by Jordan Avery · Last reviewed July 27, 2026

Jordan Avery Written by Jordan Avery Appliance Repair Content Specialist Published July 27, 2026 Technically reviewed July 27, 2026
Error code E01
Appliance Refrigerator
Quick answer

E01 typically points to a sensor or control communication fault in the refrigerator.

Model compatibility: Bosch reuses codes across series and model years, so E01 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.

Plain language

What this code means

The E01 code generally indicates the refrigerator’s control detected a sensor or communication issue. It is a signal to have the control and sensors evaluated rather than a specific user-fixable step.

Signs

Symptoms you may notice

  • E01 shown on the display
  • Temperatures may drift out of range
  • Controls may respond abnormally
Why it happens

Possible causes

  • A temperature sensor fault
  • A control-board communication issue
  • A wiring or connection problem
Before you call

Safe checks you can make

These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.

  • Confirm the refrigerator has stable power
  • Check that vents inside are not blocked by items
  • Note the actual temperatures if you can measure them

Important safety warning. Sealed refrigerant systems and control electronics require professional tools. Avoid internal disassembly and protect food safety if temperatures are drifting.

Please avoid

What not to attempt

  • Do not open sealed refrigerant components
  • Do not access internal control wiring
  • Do not rely on repeated power cycling as a fix
Get help

When to call a technician

If E01 persists and temperatures drift, book a diagnosis so the sensor and control can be evaluated before food safety is affected.

Seeing this code on your Bosch appliance?

Book a specialist visit for a clear estimate and approval before any repair. Independent service — not an official Bosch service center.

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FAQ

Frequently asked questions

References

Sources & references

  • Appliance user manual — troubleshooting indicators

Independent service disclosure: Repair Factory is an independent appliance repair service. We are not affiliated with, authorized by, or endorsed by BSH Home Appliances or the Bosch brand. All manufacturer names, logos and model numbers are used for identification and compatibility reference only.

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