Troubleshooting
The LED located on the front of the unit indi- cates the following states of operation.
Front Panel LED States
LED State | Indication |
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Blue | Analog Input |
| Digital Input: Lock |
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Yellow | Digital Input: No Lock |
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Blue (flashing) | Digital Standby Mode |
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Red | Clipping |
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Red (flashing) | Hardware failure |
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If the LED is lit solid blue and there is no sound, do the following:
Check that the unit is receiving an analog sig- nal or valid digital signal.
Check the temperature of the rear metal panel. If it is hot, turn the unit off for a mini- mum of five minutes to allow it to cool. When cool, turn the unit on and check for normal op- eration. If necessary, relocate the unit to ensure adequate ventilation.
If the thermal shutdown activates a second time, contact
If the LED is unlit and there is no sound:
Check fuse and power connection. If the fuse is intact and the power connection is good, but the LED remains unlit with no sound, contact
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