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Troubleshooting
If the system does not work as you expect, check the following points rst.
Symptom Cause Action Page
Power will not turn on
Power will not turn on: Are the AC adaptor and AC cord
connected correctly?
Plug the AC cord securely into the AC adaptor. p. 10
Is the AC cord correctly connected to an AC outlet? Plug the AC cord securely into the AC outlet. p. 10
Are the batteries installed correctly?
Could the batteries have run low?
Verify that the batteries are installed in the correct
orientation.
The BA-55’s POWER indicator will dim when the batteries
run low.
Please install fresh batteries
The wireless mic’s power indicator will blink when the mic
batteries run low. Replace the battery as soon as possible.
p. 9
No sound
Is the external equipment connected correctly?
Verify the type of connector and plug, and make the
correct connections.
p. 13, p. 14
Are each [VOLUME] knob adjusted correctly?
Turn each of the BA-55’s [VOLUME] knobs toward the right
to raise the volume.
p. 13, p. 14
Could the batteries of the BA-55 itself, or of the wireless
mic have run low?
The BA-55’s POWER indicator will dim when the batteries
run low. If the batteries run even lower, the POWER
indicator will blink.
Please install fresh batteries
The wireless mic’s power indicator will blink when the mic
batteries run low. Replace the battery as soon as possible.
p. 9
Has the wireless mic been paired? Pair the wireless mic. p. 12
Could the auto power o function be operating?
Either turn the power on again, or turn o the [AUTO
POWER OFF] switch.
p. 16
When using a wired mic, could you have turned on the
wireless mic that is paired with the WIRELESS 2 channel?
Turn o the wireless mic that’s paired with the WIRELESS
2 channel.
p. 12
Sound of the wireless mic is
interrupted
Could the wireless mic be too far away from the BA-55? Move the wireless mic closer to the BA-55.
Could there be an obstruction such as human bodies or
a wall?
Move the wireless mic closer to the BA-55.
Are there other devices that use the 2.4 GHz band, such as
a wireless LAN or a microwave oven?
Temporarily move those devices away, or move the
wireless mic closer to the BA-55.
Sound is distorted or noisy
Could each [VOLUME] knob be raised excessively?
Turn each [VOLUME] knob toward the left to adjust the
volume appropriately.
p. 13, p. 14
Is the input level from the connected device appropriate? Lower the volume of the connected device. p. 13, p. 14
If the batteries run extremely low, the sound may distort
or interruptions in the sound may occur at high volume
levels, but this does not indicate a malfunction.
Please replace the batteries or use the included AC
adaptor.
p. 11
Insucient volume
Are each [VOLUME] knob adjusted correctly?
Turn each of the BA-55’s [VOLUME] knobs toward the right
to raise the volume.
p. 13, p. 14
Is the input level from the connected device appropriate? Raise the volume of the connected device. p. 13, p. 14
Could the batteries of the BA-55 itself, or of the wireless mic
have run low?
The BA-55’s POWER indicator will dim when the batteries
run low.
Please install fresh batteries
The wireless mic’s power indicator will blink when the mic
batteries run low. Replace the battery as soon as possible.
p. 9
24


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