Troubleshooting - Mooer GEM Box Owner's Manual

Troubleshooting

Can not power on
Check power connection.
------ Make sure the power is connected correctly.
Check the adapter.
------ Make sure the adapter's type is DC9V/300mA/center minus.
When using battery, check whether the cable is inserted entirely to the
INPUT jack.
When using battery, check the battery, is the battery low or dead?
------ Make sure the battery is at work and the INPUT jack is connected
with an audio cable.
No sound or low volume
Check connection of cables.
------ Make sure all the cables are connected firmly.
Check the volume of guitar and amplifier.
------ Make sure each equipment's volume is set to an appropriate level.
High noise
Check the adapter.
------ Make sure the adapter's type is DC9V/300mA/center minus.
Check the cables.
------ Make sure the cables are connected firmly and have no quality
problem.
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