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Step‑by‑Step Decoder Reset Procedure

1. Identify the Decoder Manufacturer

Place the locomotive on a programming track and read CV 8 to obtain the manufacturer ID:

• Digitrax → CV 8 = 12
• SoundTraxx → CV 8 = 141
• NCE → CV 8 = 11
• QSI → CV 8 = 113
• ESU LokSound → CV 8 = 151

2. Write the Reset CV

Once identified, program the following values:

3. QSI Reset Procedure

1. Set CV 49 = 128
2. Set CV 50 = 255
3. Set CV 56 = 113
4. You should hear three short “toots” confirming the reset
5. Controller address resets to 3 afterward

Confirming the Reset Worked

• Power-cycle the locomotive after programming
• Set your controller to address 3
• The unit should respond; if lights work but motor doesn’t, check wiring and decoder installation

Troubleshooting Tips

• Use a programming track if loco is unresponsive
• Ops‑mode programming works if you know the active address
• If motor is nonfunctional but lights work, inspect motor pad contacts and ensure soldered decoder wires

Quick Summary

1. Read CV 8
2. Identify decoder manufacturer
3. Write reset CV(s) or perform QSI procedure
4. Power-cycle the locomotive
5. Test using address 3

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