Hilti Srt Service Reset Tool -

The SRT is not universal; it is designed primarily for the maintenance of brushed motor cordless tools that feature electronic modules but do not possess a built-in Bluetooth interface for app-based resets.

Common compatible tool categories include:

Note: Newer "Brushless" tools generally utilize the Hilti ON!Track system or direct Bluetooth connection to the Hilti Connect App for service resets, rendering the hardware SRT obsolete for those specific models.

The Hilti SRT (Service Reset Tool) is a proprietary diagnostic and maintenance interface device used exclusively for Hilti’s range of Diamond Coring Systems (e.g., DD 150-U, DD 250, DD 350) and Demolition/Breaking Systems (e.g., TE 2000, TE 3000, DSH 700/900). Its primary function is to reset service counters, clear fault logs, and perform calibration checks after authorized maintenance or component replacement. hilti srt service reset tool

Unlike consumer-grade tools, the SRT is not a generic OBD scanner; it is a hardware key with encrypted firmware that communicates via a 4-pin LEMO-style connector to the machine’s control board.

The Hilti SRT is classified as a restricted distribution item. It is generally not sold through standard retail channels (e.g., Home Depot, general construction supply stores).

  • Remove the battery immediately for 30 seconds.
  • Reinsert the battery. Pull the trigger fully.

    • Using the SRT is simple, but requires a specific sequence. The SRT is not universal; it is designed

    What you need:

    Steps:

  • Press and hold the single button on the SRT for 2–3 seconds.
  • Watch the LEDs on the SRT:
  • Remove the SRT, then remove and reinsert the tool’s battery.
  • Power on the tool. The service light should be gone.

    • For legacy SRT models (circa 2008-2014), Hilti released a physical Hilti SRT service reset tool (Part number often referenced as 204358 or similar). This device looks like a thick battery adapter with a single button and an LED. Note: Newer "Brushless" tools generally utilize the Hilti ON

    There is no functional third-party alternative due to encryption. However, end users have two legitimate options:

    Warning: Disassembling the machine and shorting EEPROM pins to manually reset the counter voids UL/CSA certification and creates a serious safety hazard.