-19 The Hard Reset Combo: Up + Down on power-up. The Golden Rule: Always document your changes.
This highest level is typically reserved for original equipment manufacturers (OEMs). Access here is often referred to as "exclusive" because it involves the core BIOS or proprietary application logic that defines the machine's primary function. 2. The Concept of "Exclusive" Information eliwell+smp5500+password+exclusive
The unit may have a custom "OEM Lock." You will need the procedure in Part 6. -19 The Hard Reset Combo: Up + Down on power-up
If you are staring at a locked SMP5500 display, follow this protocol exactly: Access here is often referred to as "exclusive"
Someone has changed the default. You will need to perform a "FULL" factory reset via the hardware (which requires the Exclusive password to do normally... catch-22). In that case, call Eliwell technical support with the serial number of the unit; they can generate a master unlock code based on the MAC ID of the controller.
Summary
If a password has been lost or modified to an unknown value, a hard reset may be required to regain control. IDPlus 978 - Eliwell by Schneider Electric