Troubleshooting
7 Troubleshooting
RISK OF INJURY!
Only authorised personnel may open the device for troubleshooting.
ATTENTION
Problem | Possible cause | Remedy | |
| Power supply cable is not | Connect power supply cable to | |
| connected to unit | unit | |
|
|
| |
| Power switch off | Turn power switch to on | |
|
| position | |
| Unit is not connected to | Connect output channel to | |
| amplifier | amplifier | |
| Microphone or auxiliary | Connect microphone or | |
| equipment not connected to | auxiliary device to unit | |
No sound | unit |
| |
Volume control set to | Turn up volume control | ||
| minimum |
| |
|
|
| |
| Volume controls set to mute | Cancel muting by pressing | |
|
| rotary knob | |
| Set gain control on rear panel | ||
| correctly | to correct | |
| Phantom power is switched off | Switch on phantom power for | |
|
| condenser microphone | |
| external potentiometer set to | Turn up external potentiometer | |
| minimum |
| |
No sound with sinusoidal | Automix algorithm suppressing | Exclude channel from automix | |
feed | constant signal | algorithm | |
|
|
| |
| Set gain control on rear panel | ||
Distorted signal | correctly | to correct | |
|
| ||
Volume control turned up too | Turn down volume | ||
reproduction | |||
far |
| ||
|
| ||
| Input signal level too high | Reduce input signal |
If the error persists despite these instructions, contact AKG Acoustics GmbH or your AKG dealer immediately.
78 | DMM 12BC |