| Decoder for Atlas N Scale | 17 |
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| Troubleshooting Decoder Programming Problems | |||
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| Fault | Cause and Solution |
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| Locomotive does not | Check to see if you have selected the correct address for that | ||
| move when you | locomotive. |
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| address it on DCC |
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| system. |
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| Locomotive does not | You have entered the short address (CV1), but the decoder is set to | ||
| move when DCC | use the long address, i.e., bit 5 of CV29 has been set. | ||
| system is set to the | Use the long address or else clear bit 5 of CV 29. |
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| address in CV1, even |
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| though this address can |
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| be read from CV1. |
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| Locomotive does not | Check to see if an advanced consist address has been | ||
| move when DCC | programmed into CV19, i.e., check to see if CV19 has a value | ||
| system is set to the | greater than 0. If CV19 has a | ||
| short address in CV1. | this advanced consist address to operate the locomotive or program | ||
| The short address can | the value 0 into CV19. |
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| be read from CV1, and |
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| DCC functions can be |
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| activated when the |
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| DCC system is set to |
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| the address in CV1. |
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| DCC functions can be | Decoder is set to use a customized speed curve (CV29.4 = 1), but | ||
| activated when DCC | you entered zero values into CVs 67 to 94. Either clear bit 4 of | ||
| system is set to the | CV29 or enter suitable | ||
| locomotive address, but | 94. |
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| the locomotive does not |
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| move. |
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| The locomotive does | Bit 4 is not set to “1” in CV29. |
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| not appear to be using |
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| the customized speed |
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| curve values that you |
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| have entered into CVs |
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| 67 to 94. |
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| Function 0 (lighting) | Matching of speed steps is incorrect: The decoder has been set to | ||
| cannot be switched on | 28/128 speed steps, but the DCC system has been set to 14/27 | ||
| and off. | speed steps. |
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| Either set the DCC system to 28/128 speed steps or change the | ||
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| decoder speed step setting to 14/27 speed steps. (CV29.1 = 0). | ||
| Locomotive headlights | Matching of speed steps is incorrect: The decoder has been set to | ||
| are only illuminated | 14/27 speed steps, but the DCC system has been set to 28/128 | ||
| when the locomotive | speed steps. Either set the DCC system to 14/27 speed steps or | ||
| speed is increased or | change the decoder speed step setting to 28/128 speed steps. | ||
| decreased; the | (CV29.1 = 1). |
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| locomotive headlights |
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| go on and off as the |
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| locomotive speed |
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| changes. |
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| Atlas Model Railroad Co., Inc. | ||
Page 17
Image 17
