Appendix
Troubleshooting
The unit will not power on
• Confirm that the POWER switch is ON. (→Turning the power on/off)
• Check the connections. (→Making connections)
There is no sound or output is very quiet
• Check the connections. (→Making connections)
• Adjust the levels of the effects. (→Adjusting effect parameters)
• Adjust the output volume. (→Adjusting the overall tonal character and output level)
• If an expression pedal is being used to adjust the volume, adjust the pedal position until the volume level
is suitable.
There is a lot of noise
• Confirm that an instrument cable is not the cause.
• Use a genuine ZOOM AC adapter. (→Making connections)
An effect cannot be selected
• If the effect processing power is being exceeded, “PROCESS OVERFLOW” will appear on the display.
When “PROCESS OVERFLOW” appears for an effect, it will be bypassed. (→Note about the number of
effects in patch memories)
Expression pedal does not work well
• Select a pedal effect. (→Using a connected expression pedal)
• Check the expression pedal connection. (→Making connections)
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