Zoom A3 - Troubleshooting; Power and Volume Issues; Noise, Distortion, and Effect Problems; Battery Life Management

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Troubleshooting
Troubleshooting
The unit will not turn ON
t Confirm that the POWER switch is set
to "ON". When using bus power, set the
switch to "OFF" before connecting the
USB cable.
t When using batteries, confirm that they
still have a charge.
No sound or very low volume
t$IFDLUIFDPOOFDUJPOT→P4–5).
t"EKVTUJOQVUTFOTJUJWJUZ
→P8).
t"EKVTUUIFNBTUFSMFWFM
→P9).
t$POGJSN UIBU VOJU JT OPUJO NVUF NPEF
(
→P24).
t*G VTJOH B DPOEFOTFSNJD DPOGJSN UIBU
phantom power is ON (
→P23).
There is a lot of noise
t Check shielded cables for defects.
t Use only a genuine ZOOM AC adapter.
The sound distorts strangely/has an
odd timbre
t"EKVTUJOQVUTFOTJUJWJUZ→P8).
t"EKVTUUIFNBTUFSMFWFM
→P9).
t"EKVTUUIFBNPVOUPGCPPTUBNQMJmDBUJPO
(
→P15).
t4FUUIFQJDLVQTFMFDUJPODPSSFDUMZGPSUIF
type of pickup. (
→P5).
An effect is not working
t"EKVTUUIFCBMBODFLOPC→P9).
t*G UIF FGGFDU QSPDFTTJOH DBQBDJUZ JT
exc e e d e d , “ T HRU” ap p e ars o n t he
effect graphic. In this case, the effect is
bypassed (
→P11).
Batteries lose their charge quickly
t Confirm that you are not using manganese
batteries. Alkaline batteries should provide
8 hours of continuous operation.
t$IFDLUIFCBUUFSZTFUUJOH→P25).
Set the type of batter being used to
enable the remaining charge to be shown
more accurately.
t$POmSNUIBUQIBOUPNQPXFSJTOPUCFJOH
used. When +48V phantom power is being
used, the unit can operate continuously for
about 5 hours with alkaline batteries.