Troubleshooting - Medeli FD900 Owner's Manual

Troubleshooting

Check the IN/OUT jack, when in STEREO
DELAY MODE, OUT-L jack only output the IN-
L jack's signal, OUT-R jack only output the IN-
R jack's signal, do you make a corresponding
connection? Do you only plug in the IN-R jack
when in the rest of DELAY MODE (except
STEREO DELAY MODE)?
Make sure your connection is right (Refer to
Page.6~7, "Connection")
No effect sound
Are you in Bypass status?
Press the Footswitch to get in effect status .
Check REVERB/DELAY LEVEL knob, do you
set them to Min?
Set the REVERB/DELAY LEVEL to a higher
value. The wet sound is not output when the
REVERB/DELAY LEVEL knob is set to Min.
Are you in M MODE, and use a Memory
Patch? Maybe when you saved this Patch, the
REVERB/DELAY LEVEL knob was point to the
lowest value, so there is no wet sound.
Restore this patch with setting the REVERB or
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DELAY LEVEL knob to a appropriate value .
Distorted sound
Check the battery, is it low?
Replace with a new one.
Check the F.BACK knob, is it too high
(especially in ANALOG DELAY MODE)?
Turn the F.BACK knob down.
Check the input sound, is the level excessive?
Turn down the input level and try.
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