Troubleshooting And Service - XTZ EDGE SA-1 Bedienungsanleitung

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Troubleshooting and service

If you should experience a problem with the operation of your subwoofer, please check all of the following
before seeking service. Following is a simple troubleshooting guide to assist you.
1. Verify unit is plugged in and that the power outlet used supplies the proper AC voltage & current.
2. Is the power switch on?
3. Has the external fuse blown? Unplug the power cord from the amplifier, then use a small screwdriver
to remove the fuse holder cartridge (located below the cord connection), and inspect fuse for damage. If
blown, replace with the same type & value fuse.
4. Is the auto turn on/off properly set for the inputs used?
5. Is the subwoofer receiving an input signal from your source equipment?
6. Have all controls on the subwoofer (volume, crossover, phase, etc.) been
properly set?
7. Is the volume control properly set to match source signal level?
8. If the subwoofer has been running at high levels for an extended period of time, one of the protection
circuits may be engaged;
Does the built-in amplifier panel feel extremely hot (located on the rear of the cabinet)?
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Is your AC power line circuit sufficiently rated to supply adequate VA required for full amp output? If
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your power line is not capable of supplying enough energy, the maximum output power will be reduced
& distortion may become audible.
9. If the protection circuitry is active, the unit may cycle on and off until operating parameters return to
normal. Under more serious conditions, the unit may shut off completely. Normal operation should return
upon cooling, but depending on the type of fault condition you may be required to turn the main power
switch off for several minutes and then back on again to reset the unit.