: Used by some manufacturers as an "Operator" level password.
While many OEMs (Original Equipment Manufacturers) set their own unique codes, several default passwords are commonly used across the Carel pCO sistema line: carel pco5 controller password
: The most frequent default for "Technician" or "Service" menus. 0000 : Often used as a basic factory entry point. : Used by some manufacturers as an "Operator" level password