Written by
Maya Chen Appliance Repair Content SpecialistPublished October 20, 2026
Content statusVerified
Error codeF40
ApplianceDryer
Quick answer
Miele tumble dryer fault F40: an electronic module fault. A technical fault that needs 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 thiscode means
Miele dryer code F40 indicates an electronic module fault.
Dryer fault F40 on the display stands for an electronic module fault.
What to do next
Set up a repair visit because the fault is technical. Meanwhile, disconnect it from power.
F40 on a Miele dryer
The manufacturer lists it as a technical fault, and it needs a technician.
Related dryer codes
F41: a nearby entry, another electronic module fault.
F45: closest relative: another electronic module fault.
F39: compare it with this one: another electronic module fault.
Miele dryer repair in Los Angeles
Los Angeles Miele dryer owners can arrange a repair here. Call (310) 742-0025 with the model number and the message F40 in front of you, plus anything you have already tried.
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.
Get started
Seeing this code on your Miele appliance?
Book an on-site visit in Los Angeles County or Orange County. We diagnose the appliance that is showing the code and give a written estimate before any repair.
Tell us about your Miele —we’ll take it from there
Request a repair visit for a Miele appliance in Los Angeles County or Orange County. Share the model and symptom — or call and we will take the details.
