Napco MA 850 / 854 Codes
| Master Program Code (should be 123456, does not Arm or Disarm) | |
| Secondary Codes | (850 = 1 to 4, 900 = 1 to 8) |
| Duress Code | 2 digit Code (usually 99) + User Code when disarming |
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| If Master Program Code is not known customer cannot change codes | |
| Add Codes |
1. Hold 8 for 3 seconds (Keypad will beep) 2. Enter Master Program Code (Keypad beeps, flashes rapidly) 3. Press [S] key + User (850 = 1 to 4 900 = 1 to 8) 4. Enter New 1 to 4-digit User Code (Cannot have a 0 in any code!) 5. Press [S] twice to exit (Keypad stops beeping |
| Delete Codes |
1. Hold 8 for 3 seconds (Keypad will beep) 2. Enter Master Program Code (Keypad beeps, flashes rapidly) 3. Press [S] + User to delete (850 = 1 to 4 900 = 1 to 8) 4. Press [S] twice to exit |