5Troubleshooting
Troubleshooting Index
If you experience problems while operating your Smashup, please use the following table to locate possible causes and solutions before contacting Alesis Product Support for assistance.
Symptoms
No audio outputs.
ModLinked units are not working properly
Distorted sound
Buzz or hum from outputs
Cause
No input audio (SIGNAL LED doesn’t flash).
Bad cables.
Destination is turned down.
Input Trim knob is turned down
Input cables are connected to a linked unit
Power is not connected
[THRESHOLD] or [OUTPUT] set low
Power dropout to one of the units in the chain
Input level too high (SIGNAL LED on front panel flashes red)
[OUTPUT] is set high
Audio cables are crossing a power cable or a power adapter.
Bad cables
Problem with the source
Solution Test with a known good input.
Replace the cables.
Check the connections and the level of the mixer or amp that the Smashup is connected to.
Adjust the knob to the proper level.
Connect the input cables to the Master of the link chain
Go take a walk
Set [THRESHOLD] wide open, and [OUTPUT] to 12 o’clock to start
Plug in a power supply to every unit in a chain.
Turn down the source, or the Smashup’s TRIM control
Turn it down, or choose a different [TYPE] setting (Transparent or
Make sure that the Smashup and its audio cables are kept away from power cables and wall warts.
Don’t wrap cable in tight bundles.
Replace the cables Try bypassing the Smashup by connecting the input cables to the output cables and see if the problem remains.
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