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| 6 Troubleshooting |
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Problem |
| Possible Cause |
| Remedy |
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All LEDs dark. | • | No defect. STATUS LEDs are not | • | (Insert transmitter with recharge- |
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| activated before you insert a trans- |
| able battery.) |
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| mitter with a battery into a charg- |
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| ing slot. |
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All LEDs dark although at least one | 1. | AC adapter is not connected to | 1. | Connect power supply to conven- |
charging slot is loaded. |
| power. |
| ient power outlet. |
| 2. | DC cable is no not connected to | 2. | Connect DC cable to charger. |
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| charger. |
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| 3. | One or more charging contacts fail | 3. | Check contacts for resilience, or |
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| to make contact with the transmitter. |
| clean contacts. |
| 4. | Internal error. | 4. | Disconnect power supply or DC |
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| cable, wait for 10 seconds, and |
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| connect again. |
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| Should the problem persist, contact |
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| your nearest AKG Service Center. |
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STATUS LED flashing red. | • | Charging cycle has been stopped: |
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| 1. | Transmitter uses dry battery. | 1. | Remove transmitter from charging |
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| slot; replace dry with rechargeable |
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| battery. |
| 2. | Charging contacts contaminated. | 2. | Clean charging contacts on charger |
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| and transmitter with soft cloth. |
| 3. | Inside temperature of battery is too | 3. | Allow battery/charger to cool down, |
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| high. |
| charging cycle will resume when |
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| temperature returns to acceptable |
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| range. |
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| Should the problem persist, contact |
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| your nearest AKG Service Center. |
| 4. | Inside temperature of charger is | 4. | Make sure there is enough free |
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| too high. |
| space around charger to provide |
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| adequate heat dissipation. |
| 5. | Battery defective (voltage <0.5 V). | 5. | Replace battery. |
| 6. | Charger connected to incompatible | 6. | Use original AC adapter supplied |
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| power supply whose output voltage |
| with charger. |
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| is too high: both STATUS LEDs |
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| flashing red. |
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| 7. | Charger defective. | 7. | Contact your nearest AKG Service |
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| Center. |
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CU 400 | 19 |
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