You will need to erase the memory out of the operator and reprogram all electronic devices (transmitters, wall station, keypad) back to the operator. Refer to your opener manual for instructions.
To erase the memory on your unit follow this:
Pressing and holding the PROGRAM SWITCH button for 10 seconds
will erase all transmitters from memory. The STATUS light and overhead light will flash 3 times indicating a successful erase operation.
PLEASE NOTE: We are not the manufacturer of any products. We are just an online retail company. We do not offer warranty service, or technical help. The information provided above is from the manufacturer Wayne Dalton.