As soon as the technician suspected that it was an interference problem, he used a noise meter (sounds like AM interference) and walked around the garage
until the meter became the loudest. He shut the breaker off and the meter was silent and the remotes worked. Turned the breaker on and the noise on the meter returned and the remotes did not work. Took the advice from the previous contributor and had the circuit breaker replaced by a good electrician.
Everything works fine.
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