Troubleshooting - LD DJ200 Bedienungsanleitung

10. Troubleshooting

In the event of operating problems, first check the causes described below before requesting assistance.
Problem
1. No power
No response
2. Loose power cord connection
when amplifier is
switched on
3. Blown fuse
1. No input signal
2. Loose speaker connection or
malfunctioning speaker
No sound
3. Incorrect connection
4. Overheating protection
1. The signal input level (volume) is set
Inadequate
output volume
2. Output of the signal source, e.g. CD
player, is too low
Possible causes
to the lowest level
DJ200 PROFESSIONAL POWER AMPLIFIER USER MANUAL PAGE
Suggested remedies
1. Turn on the power.
2. Ensure that the power cord is securely
connected to the mains supply before switching
on the amplifier power switch.
3. Turn off the power, then check the fuse on
the rear panel. If the fuse has blown, replace it
with the same type of fuse.
1. Connect the signal source to the amplifier
input, then turn on the power.
2. Ensure that the speaker is securely
connected. Check to see that the speaker is in
good operating condition.
3. Ensure that the speaker is correctly
connected to the amplifier.
4. Avoid overloading the amplifier for prolonged
periods. Do not attempt to operate the amplifier
in a poorly ventilated location. Check to see
that the cooling fans are operating properly and
that the ventilation slots are free of dust.
1. Adjust the signal input level to the desired
volume.
2. Increase the output of the signal source, or
adjust the input level of the amplifier.
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