Zoom ST-224 - Manual (Page 70)

If there seems to be a problem with the unit, check the following points first.
Troubleshooting
70
Troubleshooting
Symptom Check Remedy
No sound, or
very low volume.
Playback sound
is distorted or
breaks up.
Sampling not
possible.
Sound of
[SOURCE] input
cannot be turned
off.
Effects do not
work.
Song cannot be
recorded.
Sound is heard
when hitting pads,
but MIDI play
does not work.
Is correct AC adapter connected
properly? Refer to section "Getting Connected" ( ➔ p. 8 ) and establish
correct connections. Use only the supplied AC adapter.
Are [OUTPUT L/MONO] jack
and [OUTPUT R] jack
connected correctly to the
playback equipment?
Refer to section "Getting Connected" ( ➔ p. 8 ) and establish
correct connections.
Are the correct cables being
used?
Try changing to another shielded cable.
Is the playback equipment set
up correctly? Is the volume
control set to an appropriate
level?
Establish appropriate settings.
Is the [OUTPUT] knob of the
ST-224 set up correctly?
Establish an appropriate setting.
Was a pad hit to which no
sample is assigned? Was
playback of a song without data
attempted?
Select an appropriate pad or song.
Is the LEVEL pad parameter set
to a low value?
Set the LEVEL pad parameter to an appropriate value.
Is output level of ST-224 set too
high?
Adjust [OUTPUT] knob on ST-224 to a suitable position.
Is level of sound source used
for sampling too high? Adjust [INPUT] knob on ST-224 to a suitable position, and
repeat the sampling process.
Is level of sound source used
for sampling too low? Adjust [INPUT] knob on ST-224 to a suitable position, and
repeat the sampling process.
Is [RE-SAMPLE] key set to ON? Set [RE-SAMPLE] key to OFF.
Is memory used up? Delete samples and songs that are no longer needed.
Is SOURCE MIX pad parameter
set to "on"?
Use [PAD FUNCTION] key and [SOURCE] pad to change
setting of SOURCE MIX parameter from "on" (input source
is constantly supplied to output) to "oFF" (input source is
only supplied to output when [SOURCE] pad is pressed).
Is effect processing enabled for
the pad? Use the [EFFECT PAD ENABLE] key and the pad to send
the sound of the desired pad to the effects section.
Are you trying to apply the
TIME STRETCH or SCRATCH
effect to the [SOURCE] pad?
The TIME STRETCH and SCRATCH effect does not work
for the [SOURCE] pad.
Is mode other than pad play
mode or song mode selected?
Press the [EXIT] key to terminate other modes.
Is MIDI receive set to ON?
Use the [SONG FUNCTION] key and pad 8 to set the MIDI
parameter from "Midi" (receive MIDI messages) to "Int" (do
not receive MIDI messages).
Is the MIDI receive channel
properly set? Match the ST-224 MIDI receive channel ( ➔ p. 67 ) to the
send channel of the MIDI device.