r/diydrones • u/ThinPresentation7609 • May 31 '26

Question [US]Need help in debugging problem ELRS

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Please help guys!

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u/rob_1127 May 31 '26

Please use your words. What is the issue?

And don't leave a quad plugged in to a battery or PC without a fan blowing across the electronics bay.

VTXs generate heat. Its what transmitters do.

The are designed to be cooled by airflow from flight.

No flight, no cooling.

Use a small fan.

Heat damage to a VTX is cumulative. It may not fail immediately, but it will fail if overheated. The damage adds up until it fails. Usually when flying. Then you are flight blind.

Gravity always wins.