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| Symptom | Probable Cause | Action To Take |
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| Distorted output |
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| Internal crossover not set | Readjust crossovers. Refer to the |
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| properly for speakers | Internal Crossover Configuration |
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| section of this guide for detailed |
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| instructions. |
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| Speakers are blown | Check system with known work |
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| ing speakers and fix or replace |
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| as needed. |
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| Poor bass response |
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| Speakers wired with wrong | Check speaker polarity and fix |
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| polarity causing cancellation | as needed. |
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| at low frequencies |
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| Crossover set incorrectly | Reset crossovers. Refer to the |
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| Internal Crossover Configuration |
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| section of this guide for detailed |
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| instructions. |
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| Impedance load at amplifier | Check speaker impedance load, |
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| is too low | if below 1W, rewire speakers to |
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| achieve higher impedance. |
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| Battery fuse |
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| blowing |
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| Short in power wire or | Check power and ground con |
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| incorrect wiring | nections and replace or repair as |
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| needed. |
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| Fuse used is smaller than | Replace with proper fuse size. |
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| recommended |
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| Actual current exceeds fuse | Check speaker impedance load. |
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| rating | If below 1W, rewire speakers to |
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| achieve higher impedance. |
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| Amplifier fuse |
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| blowing |
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| Fuse used is smaller than | Replace with proper fuse size. |
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| recommended |
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| Impedance load at | Check speaker impedance load. |
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| amplifier too low | If below 1W, rewire speakers to |
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| achieve higher impedance. |
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| Speaker is blown with | Check system with known work |
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| shorted outputs | ing speakers and fix or replace |
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| as needed. |
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| Actual current exceeds | Check speaker impedance load. |
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| fuse rating | If below 1W, rewire speakers to |
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| achieve higher impedance. |
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18 | ©2003 Directed Electronics, Inc. |