Thanks for all the responses. The unit does give off a code but its a little hard to decipher because I don't know the difference between what the manufacturer considers to be various flashing codes that are very similar. I do know that the problem does not involve the electric eye sensors because they give off green light codes and I have red light codes.
In any case, Romac came today to look at the unit. Unlike other times when they came, this time the unit was totally dead and they could not get it running. They replaced the circuit board in the unit. He also checked the wall unit while he was here (which was OK). Hopefully this will take care of the problem.
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