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LiftMaster & myQ apps, explainedPractical help. Clear answers.

Error 225 interrupts serial-number registration

Error 225

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Does this match what you see?

Error 225

Applies to

App: myQ iOS/Android; menu labels vary by release
Hardware: myQ app device registration

225 · Serial-number registration

Before you start

Authorized account/device owner; safe physical access.
Record the model and displayed LED or error before changing anything.

Why this can happen

Recent bootloading

Work through these checks

Check 1
Wait 10 minutes before retrying the serial-number addition.
What you should see
Registration can resume.
Your next branch
If repeated after waiting, contact myQ support with the device model and code.

When to stop

Do not repeatedly power-cycle or factory-reset during this waiting state.

See how these checks fit together

Choose the right setup path

Identify the model first

Read the label without removing covers.

Built-in Wi-Fi opener

Use its own setup instructions and LED troubleshooting guide.

Separate smart hub

Check hub, door sensor and opener compatibility separately.

Use the matching model instructions

Do not copy reset steps from another product.