Using a Carel programming tool (like 1Tool or pCOManager ), reloading the application software can sometimes reset parameters to the default state, though this may erase custom settings. 5. Summary Table of Password Actions Default Password Access Menu PRG -> Select Menu -> ENTER -> Input 1234 Change Password Service Menu -> SERVICE PAR -> CHANGE PSW Web/pCOweb Access Username: admin / Password: fadmin
Use the or Down arrow keys to scroll until you highlight the Settings , Service , or Configuration menu. carel pco5 controller password
OEMs frequently print their chosen service password directly in these technical literature segments. Step 2: Extract Password Clues from the Machine ID Using a Carel programming tool (like 1Tool or
If you cannot read the file via software, you must force the controller back to factory defaults. OEMs frequently print their chosen service password directly
For security, it is standard practice to change the default password ( 22 ) to a custom number.
The best source for the password is the manual provided by the HVAC unit manufacturer (e.g., Aermec, Liebert, Carrier), not the general Carel pCO5 manual.
Use the arrow keys to scroll down to the menu option. Press Enter .