Universal garage door openner stopped working all the sudden for two of them.

by Dave

I have Sears Craftsman 1/2HP Green learn button garage door with using Clicker CLT1 & KRIK1 controler.
When I came back from vacation for three weeks, non of the controller works.

Here is whet I tried.
1. Changed the remote's battery.
2. I have tried erase code and re-program by green button.
3. re-tied to make sure that cable wire is connected.

However still cannot open/close garage door by remote, but wall switch still works.

Please help me out!

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