M-AUDIO SAM - Manual (Page 15)

Troubleshooting
Symptom: When power is applied, no LED's are lit on the SAM
front panel.
Solution: Make sure the correct power adapter is properly
plugged into the unit and into a live wall source or
power strip.
Symptom: When first turning the unit on, you sometimes hear
small bursts of noise or a "pop" sound if monitoring the
SAM.
Solution: This is normal as it takes a small amount of time for an
acceptable digital audio signal to be generated, and
external devices usually require a small amount of time
to lock onto a valid digital signal. Be sure to turn down
the volume on externally connected devices before
powering up the SAM.
Symptom: Even though an audio signal is being input into the
SAM, the Output Level LED's appear dim or not at all.
Solution: Check your source signal levels and cables. Either the
source signal is too weak or there is no digital target
plugged into the SAM’s output.
Symptom: The front panel Input Level CLIP LED is always lit (or
frequently lit).
Solution 1: Check your source signal levels and cables.
Solution 2: In Mix Mode, the sum of the Gain control levels may be
too high. Reduce the levels of the Gain Controls so
that the clipping level indicators rarely or never light.
Symptom: The SAM does not appear to work with optical S/PDIF
connected to the ADAT In or ADAT Out jacks.
Solution: The SAM does not support optical S/PDIF format. A
Midiman Co2 is recommended for S/PDIF optical-coax
conversion.
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