Installation manual

E L A N H O M E S Y S T E M S
Page 20 © ELAN Home Systems 2009 • All rights reserved.
A2 INSTALLATION MANUAL
Chapter 5: Troubleshooting
Symptom Possible Cause Solution
No Audio From One or
More Channels
1. Loose/bad speaker cable connec-
tion
2. Break/short in speaker cable
3. Speaker is defective
4. RCA patch cable defective
5. Source not sending audio
1. Check cable ends at binding posts
and speaker terminals.
2. Check continuity of each speaker
cable using multimeter. If short or
open is indicated, check wiring for
proper connections.
3. Swap with known good speaker.
4. Swap with known good patch
cable.
5. Verify source is powered up and
playing. Check any tape monitor set-
tings on A/V Receiver.
No Audio From One Channel Amplifier is overheating due to
inadequate ventalation or prolonged
operation at clipping levels.
1. (a) Turn the amplifier off and allow
the internal circuits to cool.
(b) Ensure that the amplifier has
proper ventilation. Add cooling fan if
necessary.
(c) Lower the gain level controls
for that channel pair.
No Audio From One Channel Unit may require service. Contact ELAN Technical Support.
Very Low or No Sound on Some or
All Channels
Audio input cable is bad. Check source equipment cables for
damage and faulty connections and
correct.
Audio “Hum” 1. Ground potential difference
between source components
(ground loop)
2. Faulty/damaged cables
3. Faulty wiring
1. (a) Test AC outlet using ground
tester.
(b) Reverse the AC plug of com-
ponents with non-polarized ends
plugged into the same outlet strip as
amp.
2. Check source equipment cables
for damage and faulty connections.
3. (a) Make sure volume controls are
not hooked up backwards.
(b) Check for shorts in wiring (see
item 2 in “No audio…”).