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Error Code

Bertazzoni Dryer E90

E90 relates to a control or communication fault detected by the dryer.

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Reviewed by admin · Last reviewed August 12, 2026

Marco Bellini Written by Marco Bellini Appliance Repair Content Specialist Reviewed by admin Published August 10, 2026 Technically reviewed August 12, 2026
Error code E90
Appliance Dryer
Quick answer

E90 relates to a control or communication fault detected by the dryer.

Model compatibility: Bertazzoni reuses codes across series and model years, so E90 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 E90 code generally indicates the dryer’s electronics detected an internal control or communication problem. It points to a professional diagnosis rather than a user-serviceable step.

Signs

Symptoms you may notice

  • E90 displayed and cycle interrupted
  • Dryer may not start reliably
  • Controls behave inconsistently
Why it happens

Possible causes

  • A control-board fault
  • A communication or wiring issue
  • A related sensor 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 dryer has stable power at the outlet
  • Check that the lint filter and accessible airflow are clear
  • Note whether the code appears at start or mid-cycle

Important safety warning. Dryers involve high voltage and heat. Internal control diagnostics must be handled by a qualified technician.

Please avoid

What not to attempt

  • Do not open the control housing
  • Do not access internal high-voltage wiring
  • Do not run repeated cycles to force it to work
Get help

When to call a technician

If E90 persists after confirming power and clear airflow, book a diagnosis to evaluate the control safely.

Seeing this code on your Bertazzoni appliance?

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

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FAQ

Frequently asked questions

References

Sources & references

  • Appliance user manual — fault display section
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