May 17, 201114 yr Please can you advise how we reset the security code as our system is currently set to the system default. Our model number is CP8L LCD
May 20, 201114 yr Enter factory default code followed by NO - NO - NO - yes - NO - YES - 1 - NO then enter new code followed by YES. Do what is asked for on the LCD display. This is all in your user manual.
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