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Error Code

Miele Dryer Code F40 Electronic module fault

Plain-language guidance for Miele code F40 on Dryer — symptoms, safe checks, and when to call a technician.

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At a glance

Overview

Miele Repair Editorial Team Written by Miele Repair Editorial Team Editorial Team Published October 20, 2026 Updated October 28, 2026
Error code F40
Appliance Dryer
Quick answer

F40 on a Miele dryer reports an electronic module fault. Book a repair appointment.

Model compatibility

Miele reuses codes across series and model years, so F40 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

Miele dryer code F40 indicates an electronic module fault.

The code F40 appears. The dryer is flagging an electronic module fault inside the machine.

At a glance

Code F40
What it means Miele dryer code F40 indicates an electronic module fault.
What you can check Pull the plug and leave it out, and note the code with the model number. Owners should not attempt this module fault themselves.
When to call a technician Call for a repair visit, because no owner fix exists. A technician needs to deal with the electronic module.

Compare with nearby codes

Code Meaning
F41 one more module fault
F45 an electronic module message of its own
F39 another module fault

The F40 fault in brief

The only guidance given is plain. This counts as a technical fault, and owners should not attempt it.

Owner checklist

  1. Note F40 and the model number.
  2. Pull the plug and leave it out.
  3. Call for a repair visit; Miele gives no owner fix.

Dryer repair across our service areas

Owners in the Miami, New York, Houston, Los Angeles and San Diego metro areas can book a visit for a Miele dryer. Before dialling (844) 459-5005, find the model plate and remember what the display said.

Source: Miele support, Tumble dryer Fault F40

Caution

Safety warning

Important safety warning

Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.

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Seeing this code on your Miele appliance?

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Share your model and symptom and we’ll confirm an appointment. Prefer to talk? Call us and we’ll help right away.

(844) 459-5005
Phone (844) 459-5005
Email info@mieleservicecenter.support
Hours Mon–Sat: 8:00 AM – 7:00 PM
Service area Serving Miami, New York, Houston, Los Angeles and San Diego metro areas.
Response time Same-day and next-day appointments in most areas.