Use the arrows to navigate to "Settings" or "Service." Press ENTER . When the screen flashes 0 or asks for a code: Use the UP arrow to reach the desired code (e.g., 22 ). Press ENTER to confirm. 3. Finding a Specific OEM Password
The pCO5 uses a tiered password system to protect the unit's logic. By default, most pCO5 controllers are programmed with different levels of access: carel pco5 controller password
Later that day, working on a smaller refrigeration unit, Elias encountered a different Carel interface. This time, didn't work. Remembering his training, he held PRG and Set together until a "0" began to flash. He tapped the Up arrow to reach 22 , pressed Set , and watched as the parameter menu finally opened. Use the arrows to navigate to "Settings" or "Service