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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
speciÀ 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. AmpliÀ er/Receiver
turned OFF or down
Turn On AmpliÀ er/Re-
ceiver or increase
volume
3. AmpliÀ er or Receiver
in protection mode
Find cause of ampliÀ 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/AmpliÀ er
level too high
Reduce level
Poor audio quality 1. Clipping or distortion Reduce Receiver/Am-
plÀ 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