Troubleshooting chart
ENGLISH
References
Many potential problems can be resolved by the owner without calling a service technician.
If something is wrong with this product, check the following before calling your authorised SHARP dealer or service centre.
General
Symptom | Possible cause |
|
|
No sound is heard. | Is the input signal (selection) set |
| properly? |
| Is the volume level set to “0”? |
|
|
Noise is heard during | Move the subwoofer away from any |
playback. | computers or mobile phones. |
|
|
When a button is | Set this unit to the |
pressed, the unit | then turn it back on. |
does not respond. |
|
|
|
The power is not | Is the unit unplugged? (Refer to page 6) |
turned on. | The protection circuit may be activated. |
| Unplug and plug in the power lead again |
| after 5 minutes or more. |
|
|
Condensation
Sudden temperature changes, storage or operation in an extremely humid environment may cause condensation inside the cabinet. Condensation can cause the unit to malfunction. If this happens, leave the power on until normal playback is possible (about 1 hour). Wipe off any condensation on the transmitter with a soft cloth before operating the unit.
If problem occurs
When this product is subjected to strong external interference (mechanical shock, excessive static electricity, abnormal supply voltage due to lightning, etc.) or if it is operated incorrectly, it may malfunction.
If such a problem occurs, do the following:
1.Set the unit to the
2.If the unit is not restored in the previous operation, unplug and plug in the subwoofer, and then turn the power on.
Remote control
Symptom | Possible cause |
|
|
The remote control | Is the battery polarity correct? |
does not operate | Is the battery dead? |
properly. | Is the distance or angle incorrect? |
| Are there any obstructions in front of the |
| subwoofer? |
| Is there a strong light shining on the |
| remote sensor? |
| Is the remote control for another |
| equipment used simultaneously? |
|
|
The subwoofer cannot | Is the AC power lead of the subwoofer |
be turned on with the | plugged in? |
remote control. | Is the battery inserted? |
TV cannot be | Depending on the model, some or all |
operated with the | functions may not be operable using the |
remote control. | remote control of this unit. In this case, |
| use the remote control supplied with the |
| TV. |
|
|
