Replace a ceiling fan receiver
Use fan and light response to separate a receiver problem from lost power or a failed remote.
Find the fan symptom that matches what changed: no power, remote trouble, slow speeds, wobble, hum, or light problems.

Match what still works before ordering a remote, receiver, or wall control.
Use fan and light response to separate a receiver problem from lost power or a failed remote.
Match frequency, pairing method, and supported functions before replacing the remote.
Check the battery, antenna position, interference, and receiver behavior first.