I installed-and programed this opener : 1) somehow the code self changed from 4 digits to 5 it repeated the last digit. Last night the code failed
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We would be happy to help. A PIN can only be four digits, so we recommend changing your PIN. Steps for doing so can be found on page one of the manual linked below. If you have any other questions, please email us at social@chamberlain.com. https://embed.widencdn.net/pdf/plus/cgi/tztinczpqb/114a3484.pdf?u=8agqx6
Was this Answer Helpful ? It's always a four digit code. You can enter as many numbers as you want and it will work as long as the last four digits are the ones that you programmed. With out more information its hard to help with the code failing part. You might try giving Chamberlain a call.
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