A T O NAH66T INSTALLATION MANUAL
Chapter 6: Troubleshooting
General
Symptom | Possible Cause | Solution | ||
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AH66T will not | 1. | Power cable is disconnected | 1. | Connect power cable |
power up. | 2. | Circuit breaker tripped | 2. | Set circuit breaker. |
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| The AH66T draws 12 amps of AC current. Ensure that |
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| combined current draw of all devices on circuit does not |
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| exceed the circuit’s capacity. |
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Audio
Symptom | Possible Cause | Solution | ||
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No audio in a | 1. | Source not playing | 1. | Press Play, tune station, turn source on etc. |
specific zone. | 2. | No source selected in the zone | 2. | Select a source |
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| 3. | Source selected in a different zone | 3. | Use front panel LEDS to verify correct zone selected |
| 4. | Variable output turned down | 4. | Adjust volume |
| 5. | Speakers or volume controls | 5. | Correct wiring |
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| miswired |
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| 6. | 6. | Correct wiring | |
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| incorrect amplifier inputs |
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No audio in ANY | 1. | See Above | 1. | Perform steps above |
zone | 2. | Verify AH66T is powered | 2. | See Above |
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| 3. | Verify External amp is powered | 3. Check power cord and breaker for amplifier | |
| 4. | Source Audio not connected to | 4. | Connect Source Audio |
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| AH66T |
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Audio quits, zone |
| AH66T overheating or has gone into |
| Check ventilation |
LEDs turn off, no |
| thermal shutdown |
| Check fan operation (Use B1 button) |
control over system, |
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| Check speaker wiring for miswire causing a short | |
blue power LED |
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blinking |
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| Allow AH66T to cool down until the power LED stops |
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| blinking and then turn zone(s) on at a low volume. If |
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| problem persists, call ATON Technical Support |
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© ATON 2010 All rights reserved. | Page 49 |
