A useful question
What exact characters or flash sequence are shown?
Photograph every character or record the flashing pattern. Keep the complete model label with the message.
Work, charges, access and appointment availability confirmed before attendance.

Original illustrative scene · Not an exact manufacturer model or a completed-job photograph.
Codes vary between platforms and generations. Do not repeatedly reset a warning or use a code list for another model.
What exact characters or flash sequence are shown?
Do not remove panels, bypass a switch or repeatedly restart a warning. Routine user care must follow the actual model instructions.
Prepare the complete model, technology, symptom and practical access. These notes stay on your device; they do not submit a booking.
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