Hey there i have a craftsman 1/2 horse power garage door opener with a wireless key pad.garage door opener #41a5021-3e trouble is that we havent used the key pad since we have lived here 2 1/2 years and i just replaced the battery and nothing happens no lighting up of the keys or anything. is the keypad toast and if so where would i find a replacement here in canada opener from 06/00
So i spent the better part of this morning trying to figure this same thing out... here's what I found.
You need to identify the serial number, which is found on the unit hanging from the ceiling... it will be like a 13953970. I found mine behind the lamp light protector thing. NOT the back with the stickers. 41A5021 is actually not the number that is important.
then go to www.managemyhome.com its a website ran by sears. you have to register, for free. then go look for manuals, in one of the tabs running across the top of the site is a choice for manuals. then search by Craftsman then enter the serial number.
then pull up the owners manual and check out the instructions.
** i found out that the old house i bought did not actually have the same keypad opener as came with the craftsman. so i had to closely inspect all sides of the internal keypad opener (not the one outside) and find another serial number. then i went and got the manual from www.managemyhome.com and realized i needed to add a new 9-V battery before I could proceed. So now i'm heading out to walmart to get that.
after a frusterating morning of service number and internet searches I hope after I get this damned battery the clouds will part and god will shine some luck on me.
goodluck to yourself!
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