Specifications
TROUBLESHOOTING
Troubleshooting Index
If you experience problems while operating the Multimix 12R, please use the following table to locate possible causes and solutions before contacting Alesis Product Support or your dealer for assistance.
Symptom | Cause | Solution |
The Power LED does | No power. | Check that the power |
not light when the unit |
| cable is plugged in |
is powered on. |
| properly. |
Sound is distorted, red | Input level is too | Turn down the source |
“PEAK” LED is lit. | high. | volume, or turn down |
|
| the TRIM control. |
|
| Don’t plug line level |
|
| signals into the MIC |
|
| jacks. |
Sound is excessively | Input level is too | Turn up the TRIM |
noisy, faders must be | low. | control. |
raised to full to hear. |
| Set the source(s) to a |
|
| higher level. |
Sound from effect is | AUX 2 send level is | Turn Output of effect |
noisy. | too low and Stereo | device up and reduce |
| Aux Return on mixer | Aux Return level on |
| is up full. | mixer. Increase Aux |
|
| Send levels. |
No audio is heard | Monitor switch is set | Set switch to "MSTR" |
from PHONES or | to “TAPE”. |
|
MONITOR output. |
|
|
No audio on an | INSERT jack is | Check insert jack |
individual channel. | connected to a | cables and device. |
| device that’s off. |
|
| TRIM level is too | Turn the TRIM control |
| low. | up. |
| MIC IN and LINE IN | Unplug one of the |
| jacks being used on | sources from the |
| the same channel. | channel. |
| Microphone requires | Turn PHANTOM |
| phantom power. | switch on (on rear |
|
| panel next to POWER) |
Multimix 12R Reference Manual | 41 |
