Volume Does Not Change

Volume does not change

NOTE: Set the fader and balance positions to the center.

1. Listen for sound from the speakers.

Is the sound normal?

YES - Go to step 2.

NO - Go to audio system sound is weak or distorted, or no sound is heard from speakers.

2. Operate the volume knob to see if the volume changes.

Does the volume change?

YES - Operation is normal.

NO - Substitute a known-good audio unit and recheck. If the symptom/indication goes away, replace the original audio unit. If the symptom is still present, substitute a known-good audio panel and recheck. If the symptom/indication goes away, replace the original audio panel.