ERROR CODEF10Diagnostic reference

LG · Ovens & ranges

LG Oven F10: The upper oven door-lock system has a fault

THE SHORT ANSWER

The upper oven door-lock system has a fault

F10 indicates the upper oven door-lock system has a fault. Arrange service; this is not a user repair instruction.

First safe check

Record whether the warning began during self-cleaning.

Applies to

LG double-oven families with the documented upper lock code.

Before you start

Stop cooking and allow hot surfaces to cool. Do not bypass a door lock or remove electrical covers.

Go to safe checks

WHAT YOU MAY NOTICE

Symptoms to record

  • The display shows F10.

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.

  1. Cancel the program if the controls respond and allow the cavity to cool. Request service for a persistent locked or faulted door.

    What to note

    Use the result to decide whether the issue is resolved or needs service.

THE DETAILS MATTER

Scope & troubleshooting notes

Interpret this code in context

Do not force a self-clean latch. Tell the technician whether the door is locked closed or cannot lock at the start.

YOUR NEXT DECISION

When to stop and get help

Contact LG service if this indication returns or the appliance cannot resume normal operation.

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.

LG support

THE EVIDENCE

Sources & verification

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

  1. LG Range — Error Codes List

    LG USA · Manufacturer support · Checked

    Error-code troubleshooting; relevant display identified in the article — LG range and oven families; upper/lower oven, induction, griddle and steam codes depend on the model.

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