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Troubleshooting Tips
| Symptom | Probable Cause | Action To Take | |
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| No output |
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| Low or no remote | Check remote | |
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| at voltage amplifier and repair | |
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| as needed. | |
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| Fuse blown | Check power wire's integrity | |
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| and check for speaker shorts. Fix | |
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| as needed and replace fuse. | |
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| Power wires not connected | Check power wire and ground | |
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| connections and repair or | |
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| replace as needed. | |
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| Audio input not connected | Check RCA connections and | |
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| repair or replace as needed. | |
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| Speaker wires not | Check speaker wires and repair | |
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| connected | or replace as needed. | |
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| Speakers are blown | Check system with known work | |
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| ing speaker and repair or | |
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| replace speakers as needed. | |
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| Audio cycles |
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| on and off |
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| Thermal protection engages | Make sure there is proper venti | |
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| when amplifier heatsink | lation for amplifier and improve | |
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| temperature exceeds 90°C | ventilation as needed. | |
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| (190°F) |
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| Loose or poor audio input | Check RCA connections and | |
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| repair or replace as needed. | |
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| Loose power connections | Check power wire and ground | |
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| connections and repair or | |
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| replace as needed. | |
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| Distorted output |
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| Amplifier level sensitivity | Readjust gain. Refer to the | |
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| set too high exceeding | Adjusting the Sound of the | |
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| maximum capability of | System section of this manual | |
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| amplifier | for detailed instructions. | |
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| Impedance load to amplifier | Check speaker impedance load, | |
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| too low | if below 1W, rewire the speakers | |
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| to achieve higher impedance. | |
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| Shorted speaker wires | Check speaker wire connections | |
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| and fix or replace as needed. | |
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| Speaker not connected | Check speaker wiring and repair | |
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| to amplifier properly | or replace as needed. Refer to | |
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| the Speaker Connections section | |
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| of this guide for detailed | |
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| instructions. | |
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©2003 Directed Electronics, Inc. | 17 |