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DH44 4 Source, 4 Zone Digital Audio Router
5. Troubleshooting
Table 5-1 provides troubleshooting information for the DH44 Digital Audio Router.
Audio
Symptom Possible Cause Solution
No audio present in a
specifi c zone
1. Source not playing Press Play, turn ON, etc.
2. Zone not ON Press “Power” on the
DHTP1 Touch Pad
3. Zone volume turned
all the way down
Increase volume
4. Speakers in room
miswired or defective, or
DHTP1 miswired
a. Test known good
speaker at DHTP1’s
speaker connector
b. Verify connections
No audio from specifi c
source
Digital Output not en-
abled
Check setup menu and
confi rm digital output is
enabled
Multi-channel digital
audio formats (5.1, 7.1
etc.) are not supported
by the DHSIP, DH44, etc.
Change digital Output to
PCM Stereo
No audio present in any
zone
1. See above Perform steps above
2. Digital source is
outputting multi-channel
audio format (5.1, 7.1,
etc.)
Select PCM Stereo out-
put on source compo-
nent. Consult source’s
manual for details.
3. Digital output not
enabled on source
Enable digital output
through source’s menu.
Set to PCM stereo. Con-
sult source’s manual for
details.
Hum or buzz through
system speakers
1. Ground loop Ensure proper ground-
ing using a three prong
grounded AC outlet.
2. Receiver/Amplifi er
level too high
Reduce level