Troubleshooting - Chapter 8
CHAPTER 8
TROUBLESHOOTING
Troubleshooting Index
If you are experience problems while operating the Q20, please use the following table to locate possible causes and solutions before contacting Alesis customer service for assistance.
Symptom | Cause | Solution |
The display does not light | No power. | Check that the power |
when the ON/OFF switch |
| cable is plugged in |
is turned on. |
| properly. |
Display is blank. | Display contrast is set | Adjust the display |
| either too high or low. | contrast. Press [GLOBAL], |
|
| turn [VALUE/ENTER]. |
No audio is heard. | The digital input is | Press[GLOBAL],press[PAGE |
| selected. | >]fourtimes, thenturn |
|
| [VALUE/ENTER] knob |
|
| counterclockwise. |
| Bypass is on with no | Select another program |
| direct routings set. | with routings. |
| Bypass is on with Global | Go to GLOBAL page 9 and |
| Direct Signal Mute On. | set it to OFF. |
| Bypass is on, with Direct | Go to MIX and set Direct |
| Level From Input set to | Level to 100% . |
| NONE. |
|
| Program being edited has | Go to ROUTING page 3 |
| no input or output | (Delete Route) and check |
| routings. | the existence of routings |
|
| for each block and the |
|
| L/R OUT by rotating the |
|
| [VALUE] control to see all |
|
| inputs to that block. |
Effect output level is low | Master Effects Level is | Press MIX and raise the |
on a single Program. | below 100%. | level. |
Clicks are heard in the | Digital clock conflict. | Provide a master 48 kHz |
audio using digital I/O. |
| clock or repatch the |
|
| system. Set the receiving |
|
| unitÕs clock to external. |
| ADAT clock set | Hold SET LOCATE and |
| improperly. | press DIGITAL IN until |
|
| the display says "DIG". |
Distortion (red LEDs flash | Internal DSP is clipping. | Lower the LEVEL of any |
before meter is full). |
| rate feeding a block that |
|
| is overloading. |
Q20 Reference Manual | 115 |