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DLA2/4/6 Speaker Level Audio Router

5. Troubleshooting

Table 5-1 provides troubleshooting information for the DLA2/4/6 Speaker Selector.

Audio

Symptom

Possible Cause

Solution

No audio present in a
speci c room

1. Source not playing.

Press Play, turn ON, etc.

2. Room not selected

Select Room on Front
Panel or from RF Remote

3. Room Output volume
turned all the way down

Increase volume.

4. Speakers in room
miswired or defective

a. Test known good
speaker at back panel
speaker connector

b. Verify connections

No audio present in any
room

1. See above

Perform steps above

2. Ampli er/Receiver
turned OFF or down

Turn On Ampli er/Re-
ceiver or increase
volume

3. Ampli er or Receiver
in protection mode

Find cause of ampli er’s
protection mode and cor-
rect. Miswired speakers
most likely cause. Verify
that the impedance lev-
els of the amp and
speaker are not lower
than 8 Ohms.

Hum or buzz through
system speakers

1. Ground loop

Ensure proper ground-
ing using a three prong
grounded AC outlet.

2. Receiver/Ampli er
level too high

Reduce level

Poor audio quality

1. Clipping or distortion

Reduce Receiver/Am-
pl er level

2. Speakers out of phase

Carefully check polarity
of each speaker

3. Incorrect assignment
of left/right source RCA
cables or speaker cables

Isolate to source or room
and correct