HireLV Handbook › Defaults › DMP › XR150/XR550

Verified 2026-10-17

XR150/XR550 default installer code and reset

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Default codes are for authorized installers. Change defaults at commissioning. No bypass or unauthorized-access instructions.

DMP XR150/XR550. Last verified 2026-10-17 against LT-2742.

Defaults Flag

programmer6653 (PROG), entered after a reset jumper
masterv193+: unique per panel (algorithm from the serial number); 'initialize codes' reverts it to 99
Default IPn/a

Reset

Momentarily jumper the RESET pins, then enter 6653 and press CMD within 30 minutes of the reset.

Lockout and firmware

A programmer lockout code (3-5 digits, max 65535) blocks keypad and remote programming. A lost lockout code requires the installer or DMP.

Firmware 193+ ships a unique master code; older firmware defaults to 99.

Questions

What is the default installer code for XR150/XR550?

6653 (PROG), entered after a reset jumper

How do I reset XR150/XR550 to factory defaults?

Momentarily jumper the RESET pins, then enter 6653 and press CMD within 30 minutes of the reset.

What is the default IP?

n/a

Why is my installer code not working?

A programmer lockout code (3-5 digits, max 65535) blocks keypad and remote programming. A lost lockout code requires the installer or DMP.

Source: LT-2742

Planning aid only. Values are typical and vary by manufacturer, code edition and jurisdiction. Verify with manufacturer data, NEC/NFPA/TIA and the local AHJ. HireLV is not liable for designs based on these tools.