There are three distinct password systems within MCGS:
| Type | Purpose | Default / Known Value |
|------|---------|----------------------|
| Project Password | Prevents unauthorized upload/editing of the HMI project | Often 111111 or 888888 |
| System Setup Password | Allows access to boot menu, calibration, or download settings | Typically 111111 or 000000 |
| Runtime User Password | Operator-level access to controls (user management) | Defined in project; no universal default |
| Backdoor / Maintenance Password | Factory reset or bypass user lock | 111111; 888888; 6 (for very old firmware) | mcgs hmi password
Note: Passwords are stored hash-encrypted in the project file (
.mcpor compiled.mtp), but weak hashing allows offline cracking. There are three distinct password systems within MCGS:
⚠️ Warning: Without the upload password, you cannot recover the project from the HMI. The HMI will need factory resetting. | Type | Purpose | Default / Known
