To reset a loco to the factory default short address of 3. Read this article and the two articles linked before resetting a decoder.
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You must understand the difference between the two programming methods before you begin.
1. Programming On the Main (POM). Also known as Operations (OPS) mode programming: https://ncedcc.zendesk.com/hc/en-us/articles/360001082573-Super-Easy-Programming-on-the-Main-POM
2. Program Track mode. Also known as Service Mode Programming: https://ncedcc.zendesk.com/hc/en-us/articles/205053429-How-to-read-or-change-a-CV-Program-Track-Mode-Service-Mode-Method
Most decoders can be reset by setting CV8 to 8 or CV30 to 2, then rebooting everything. The loco should respond to the factory default short address of 3 with no leading zeros. The NCE (manufacturer CV8=11) loco decoder reset is CV30=2.
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1. You can only READ CVs when your DCC system is in Program Track Mode / Service Mode. Note the use of the word mode. This does not pertain to physical connections. Example: The Power Cab has a single two-wire track connection. This means program track mode will change ALL locomotives on the track connected to those two wires. The Power Pro, Ph-Pro, Power House, and CS02 all have a dedicated programming track output on the right side of the box for this specific purpose.
Important note*** The SB5 does NOT have a program track MODE or a dedicated programming track output. You can use the Power Cab with no booster connected instead.
2. When trying to read a decoder and you get a manufacturer ID of "255" and/or multiple readings of 255 from the decoder for other CVs, too, that is an error message. A "Cannot Read CV" message "Cannot Read CV" is also an error message. Translation: The system asked the decoder a question, but it did not get a response back from the decoder.
3. A response of "Short Circuit Detected" means a large current draw above the 250mA limit just occurred. You can attempt to continue if the locomotive has a keep-alive or no-halt. Try the "program anyway" option that appears. But you may have a bad decoder or the decoder is not installed correctly, so tread carefully here.
Important note: When attempting to read or write a CV, if the locomotive does NOT respond, make a small click, flash a light, or move a small amount, it is not responding to you. It cannot see your commands. Meaning: "I am not hearing you." Check all your track power connections and the track. Try a different decoder or locomotive for comparison.
3. When trying to read the CVs of a SOUND decoder on an older Power Pro / Ph-Pro system box, you might need a programming track booster like the Soundtraxx PTB-100. Do not use a DCC Specialties "PowerPax." I have personally found this device to be unreliable in my testing. Your mileage may vary. Do not connect any programming booster to the Power Cab. The Power Cab already operates at the safest maximum current draw level and has a VERY high programming success rate.
4. The manufacturer ID (value) of CV8 is for the DCC decoder installed in the locomotive you are programming and not the system you are programming with. The manufacturer ID is the value of CV8. Example: CV8=141 means Soundtraxx made the locomotive decoder. Example: CV8=11 means NCE made it.
5. To learn more about a configuration variable (CV) and how to change it with an NCE system, read this article: https://ncedcc.zendesk.com/hc/en-us/articles/205053429-How-to-read-or-change-a-CV
6. It is always a good idea to reboot / power cycle your system and the decoder after a factory reset. Some decoders might not be completely reset until the power is removed and restored. Similar to rebooting a PC after it is updated.
7. For even MORE, go here: https://ncedcc.zendesk.com/hc/en-us/articles/360055512154-In-Depth-Mobile-Decoder-Reset-Procedures ================================================
Every DCC Decoder has an ID code that tells you who made it.
The Value in CV 8 is included in the list below.
1: CML Electronics Limited
2: Train Technology
11: NCE Corporation
12: Wangrow
13: Public Domain & Do-It-Yourself Decoders
14: PSI - Dynatrol
15: Ramfixx Technologies (Wangrow)
17: Advanced IC Engineering, Inc.
18: JMRI
19: AMW
20: T4T - Technology for Trains GmbH
21: Kreischer Datentechnik
22: KAM Industries
23: S Helper Service
24: MoBaTron.de
25: Team Digital, LLC
26: MBTronik - PiN GITmBH
27: MTH Electric Trains, Inc. - Not DCC compatible. Designed for MTH proprietary DCS, not DCC.
28: Heljan A/S
29: Mistral Train Models
30: Digsight
31: Brelec
32: Regal Way Co. Ltd
34: Aristo-Craft
35: Elektronik & Modell Produktion
36: DCC Concepts
37: NAC Services, Inc.
38: Broadway Limited Imports, LLC - poor reliability
39: Educational Computer, Inc (DCCdevices.com)
40: KATO Precision Models
41: Passmann Modellbahnzubehoer
42: Digirails
43: Ngineering
44: SPROG-DCC
45: ANE Model Co., LTD.
46: GFB Designs
47: Capecom
48: Hornby Hobbies Ltd.
49: Joka Electronic
50: N & Q Electronics
51: DCC Supplies, Ltd
52: Krois-Modell
53: Rautenhaus Digital
54: TCH Technology
55: QElectronics GmbH
56: LDH
57: Rampino Elektronik
58: KRES GmbH
59: Tam Valley Depot
60: Bluecher-Elektronik
61: TrainModules
62: Tams Elektronik GmbH
63: Noarail
64: Digital Bahn
66: Railnet Solutions, LLC
68: MAWE Elektronik
69: E-Modell
71: New York Byano Limited
72: MTB Model
73: The Electric Railroad Company
74: PpP Digital
75: DigiTools Electronics Servicing and Contractor Ltd.
76: Auvidel
77: LS Models Sprl
85: Uhlenbrock Elektronik GmbH
87: RR-CirKits
95: Sanda Kan Industrial (1981) Ltd.
97: Doehler & Haas
99: Lenz Elektronik GmbH
101: Bachmann Trains
103: Nagasue System Design Office
105: Computer Dialysis France
109: Viessmann Modellspielwaren GmbH
111: aber & Koenig Electronics GmbH
113: QS Industries
115: Dietz Modellbahntechnik
117: cT Elektronik
119: W. S. Ataras Engineering
123: Mssoth Elektronik, GmbH
125: ProfiLok Modellbahntechnik GmbH
127: Atlas Model Railroad Co., Inc.
129: Digitrax
131: Trix Modelleisenbahn
132: ZTC Controls Ltd.
133: Intelligent Command Control
135: CVP Products
139: RealRail Effects
141: Soundtraxx
143: MRC: Model Rectifier Co. - poor reliability. reset is CV125=1
145: Zimo Elektronik
147: Umelec Ing. Buero
149: Rock Junction Controls
151: Electronic Solutions Ulm GmbH & Co KG
153: Train Control Systems
155: Gebr. Fleischmann GmbH & Co.
157: Kuehn Ing.
159: LGB (Ernst Paul Lehmann Patentwerk)
161: Modelleisenbahn GmbH (formerly Roco)
163: WP Railshops
165: Model Electronic Railway Group
170: AuroTrains
173: Arnold - Rivarossi
186: br /AWA Modellspielwaren GmbH & Co.
204: Con-Com GmBH
225: Elproma Electronics Poland
238: NMRA reserved
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mfg id 8 - Broadway Limited (BLI) poor reliability
*** Programming must be done using POM / Programming on the Main / OPS mode. Many BLI decoders cannot be programmed or read back in service mode/program track mode.
To use ops mode programming / POM, you must disable voice readback. To do this, set CV62=0 to turn it off. A Factory Reset sets CV 8 to a value of 8, and then you need to reboot the power.
Prone to repeated loss of settings
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mfg id 101 - Bachmann sound decoders / Soundtraxx Tsunami
try setting cv 8 to the value of 8.
a tsunami can only program short addresses on the program track
to identify a decoder as a Tsunami - function 3, is a short whistle
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Mfg. id 11 - NCE
factory reset CV30 to a value of 2
factory defaults:
cv1= short address, default is 3
cv29= default is 6, which is: short address, factory speed table, 28 steps, dual mode on,
cv19 =0 disables consisting
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mfg id - 151 ESU Loksound
Reset CV8 = 8
The ESU Loksound V4.0 & Select decoders use a multiplier factor of 0.25 rather than the NMRA standard factor of 0.896 for the Acceleration (CV 3) and Deceleration (CV 4) rates. This means you will need to enter a value nearly 4 times as great (3.6) in the Acceleration and Deceleration CVs to achieve the same rate as in a LokSound V3.5 or almost any other decoder brand. This can be a problem with the NCE Momentum button, particularly if you have V4.0 (or Select) and other model decoders in the same consist.
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mfg id 127 Lenz poor reliability
Set CV8 to a value of 33, then tilt loco for 7 seconds to reset the decoder after changing.
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Mfg 113 QSI - Reset must be done using POM / Programming on the Main / OPS mode.
To use ops mode programming / POM, you must disable voice read back- Set CV62=0 to turn off.
Sometimes, it has background noise / static - a known issue.
Set CV23 and CV24 to 0 to disable momentum
QSI locos might have a reed switch and magnet wand to turn on.
It generally requires a Programming Track Booster like a Soundtraxx PTB100. Do NOT use a DCC Specialties PowerPAX! To use ops mode programming / POM must disable voice read back- Set CV62=0 to turn off.
The Broadway, Atlas, and Lifelike are equipped with QSI (ID 113) DCC sound engines that use a different reset procedure. Check the manual that came with the engine. Some use a magnetic “wand” for the reset. If there is no "wand, " open the engine or access hatch and find the reset jumper. Remove the jumper and restore the track power. There will be an audible acknowledgment from the engine at the end of the reset sequence (usually 3 toots of the whistle/horn). Replace the jumper and test out using address 3. If a "wand" is present, locate the internal reset reed switch and briefly place the "wand" over it. When track power is restored, the engine will go through its reset procedure and let you know when it is done. Place the engine on active track to find the internal reset (reed) switch. Slowly move the "wand" over the top of the engine or tender until the engine alerts you and audibly responds with a message.
QSI also has a software reset using the following multi-step procedure:
(1) Place the engine on the main track if it responds to its address. If not responding, you may need to use the program track.
(2) Set CV49 to 128
(3) Set CV50 to 255
(4) Set CV56 to 113. As the engine resets, you will hear the 3 toots.
Test out the locomotive using address 3.
QSI also has some selective resets.
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Mfg 27 MTH - Not 100% DCC compatible! Designed for DCS, not DCC
To reset MTH to the address to factory default 3:
1. Set the engine on the main, enter loco number 55 into your cab, and press enter
2. go into the program on main / OPS ode programming
3. program loco number 55,
4. set CV 55 with a value of 55.
exit out, tilt loco, or reboot your entire system.
and call up loco 3,
perform start-up by pressing F3 to start loco.
F7 to cycle thru 9 volume levels
F8 for smoke
This is a reminder that MTH decoders are primarily designed for the proprietary MTH DCS system. This means many functions and settings of an MTH loco might not be available under DCC.
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(1) When used with the Power Pro / PH-Pro, you may need a Programming Track Booster like the Soundtraxx PTB-100. Do not use a DCC Specialties "PowerPax." My testing indicates it is inconsistent/unreliable with our command stations.
(2) Poor success with using program track mode/service mode to read and change CV
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Programming on the main (POM) / Ops mode programming: https://ncedcc.zendesk.com/hc/en-us/articles/360001082573-Super-Easy-Programming-on-the-Main-POM
Program Track mode is also known as Service Mode Programming: https://ncedcc.zendesk.com/hc/en-us/articles/205053429-How-to-read-or-change-a-CV-Program-Track-Mode-Service-Mode-Method.
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