To enter these passwords and fix your access issues, follow these steps on the touchscreen interface:

: Occasionally used as a secondary default for limited access levels. Why Passwords Are "Fixed"

Take a standard motherboard jumper cap. Place it across the two JP4 pins. This physically grounds the “password check” logic.

Used by technicians for boiler configuration, Bluetooth/WiFi settings, and component calibration. How to Enter the Password Locate the (Program) key on the touch screen display or service panel. Press and hold the icon for a few seconds until the password prompt appears. Enter the 4-digit code (e.g., ) using the on-screen numeric keypad.