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Locomotive doesn’t run but was working fine before
Address has accidentally been changed
CV 19 (Consist address was changed from 0
CV 29 has been changed to select other type of address
Acceleration (CV3) and braking (CV4) are set to very high values
Cab is in consist mode
CV 212 is set to 0 and CV 10 is set to 0
Locomotive never ran
See all of the above
Decoder is wired in correctly
Loose wire in power harness (look to see that red power LED is on when decoder receives track power
Locomotive is not on a DCC powered track, and analog mode is not enabled on CV 29
Broken motor wire or track pick up wire
Locomotive runs but doesn’t make sound
Mute function is on (F8)
Another function is remapped to the mute function
Sound volume CVs (see technical reference or user’s guide) have been set to zero or a very low value
Speaker wire is broken
Speaker is burned out (try a different speaker)
Speaker wires touched each other and burned up audio amplifier
Be sure the locomotive address matches that of your cab or the decoder will continue to do it’s last command given to it.
Locomotive runs in a consist but lights and sound effects don’t work
Consist functions are disabled Set CV 21 and 22 to activate desired functions
Lights flicker on and off
Decoder is set for 14 speed step mode and command station is set to 28/128 speed step mode
Lights do not work
Decoder is in 28/128 speed step mode and command station is set to 14 speed step mode
Function mapping is improperly set
Resistor values are set too high
Resistor value was too low and bulb is burned out
Lamp wires are broken
Lighting outputs are improperly wired
Lighting outputs wires are loose from harness or decoder
Locomotive just sits and flashes its headlights
CVs are being reset to defaults, wait 30 seconds and digital sound decoder should respond to address 3
Fault code is being activated by decoder, count how many flashes went off and contact Soundtraxx customer support
Sound works for a while then quits
Amplifier is overheating, lower sound volume
Amplifier is overheating check wattage and impedance on the speaker
Amplifier is overheating check the track voltage
Speaker is damaged, replace the speaker
Speaker sound ‘crackly’
Sound volume is set too high for the speaker
Speaker is not properly baffled in and air tight baffle
Speaker wire is loose
Speaker is damaged, replace speaker
Equalizer is set too high adjust CV’s 153-160
Functions 5,6 don’t work
Make sure function common wire (blue) is wired with F5 and F6 out puts
Make sue proper resistor values are used when necessary
Exhaust chuff isn’t working
Make sure if your using a cam that CV 112 is set to 128
If using auto exhaust chuff make sure CV 116 isn’t set to 0 or a low value
Manual notching isn’t working
Make sure bit 0-3 are set to a value of 0 in CV 116 and CV 112 is set to 3 then activate rpm+ via F9 and rpm- via F10
My decoder won’t program
On some Tsunami decoders you must have either a PTB 100 programming track booster or program on the main
Make sure locomotive motor pulses when programming command is entered
My decoder won’t change it’s address when programming on the main
You can only change to the type of address currently not in use when programming on the main
If using a short address change it to a long address or vice versa
How do I reset my decoder
All Soundtraxx decoders can be reset by either setting CV 30 to a value of 2 or CV 8 to
a value of 8
Once the CVs are entered you must cycle the power (turn the power off then back on)
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