I just received my 3 888LM Wall Controllers, an 877MAX Keyless Entry and G828LM Internet Gateway kit. My Openers are (3) Craftsman 1/3 HP Belt drive units with dates of 06/98 and Model or Control Unit #41A5021-2C – these should be compatible according to the specifications (red learn button, gray antennae) but it seems that they are not – the wall units are blinking red/yellow and beeps every 30 seconds or so. I also tried all three wall units, all of which just blink red/yellow and tone every 30 seconds or so.
Please Help, otherwise I’m going to need to return all of these items but would REALLY like to get these installed.
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