Miele dishwasher F1 / F2: water/heating temperature sensor circuit fault

Documentation checkedBy ErrHiveUpdated October 28, 2026

THE SHORT ANSWER

Water/heating temperature sensor short circuit

Miele dishwasher F1 indicates a short circuit in the water/heating temperature sensor; F2 indicates an open circuit. Both require professional service.

First safe check

Record F1 / F2 and the complete model number before requesting Miele service.

Applies to

Miele dishwashers covered by the cited USA support page. Follow the exact model manual.

Codes covered by this guide

F1F2

Before you start

Keep covers closed. Do not test internal wiring or bypass a safety device.

Go to safe checks

WORK THROUGH THE BASICS

Safe troubleshooting checks

0 of 1 checked

Use the checkboxes to keep track as you read. Stop at any warning or step that does not match your appliance.

Prepare the service request
Describe when the message appears and whether the program stops. Give the technician the exact number and model.
What to note
Service receives the observed fault without an assumed replacement part.

THE DETAILS MATTER

Scope & troubleshooting notes

Interpretation

Keep F1 and F2 distinct when reporting the problem. Their shared service response does not make the electrical conditions identical.

YOUR NEXT DECISION

When to stop and get help

Arrange Miele repair. The source provides no owner reset or internal repair for this fault.

Record what you see

Keep the full model number, exact displayed code, and your observations together for the next conversation.

Use the right support

Contact the manufacturer or a qualified appliance technician when the guide calls for service.

Miele support

THE EVIDENCE

Sources & verification

Our explanations are editorial summaries of the documentation below. They do not replace the instructions for your exact appliance.

Fault F1
Miele USA · Manufacturer support · Checked Oct 28, 2026
Fault explanation and owner response — Miele dishwashers covered by the cited USA support page. Follow the exact model manual.
Fault F2
Miele USA · Manufacturer support · Checked Oct 28, 2026
Fault explanation and owner response — Miele dishwashers covered by the cited USA support page. Follow the exact model manual.

ErrHive is an independent information resource, not an authorized representative of Miele. Follow your appliance’s manual. Hazardous repairs belong with qualified professionals. Read our safety policy.