Elan s86a Installation Manual page 65

E L A N H O M E S Y S T E M S
Symptom Possible Cause/s
Audio "hum" 1. Ground Loop
or buzz
through system
speakers
when audio
playing. 2. Source Input
level too high.
3. Faulty/damaged
cables.
4. Faulty wiring.
Poor Audio 1. Speakers out
quality. of phase.
Audio is 2.Incorrect left/
unclear, Bass right assignment
response is of source
low. or zone RCA
cables.
3. Source level
programming
too high/too
low.
Audio plays at 1. Fixed zone
full volume in output connected
a variable to amp
zone. No volume in variable
control zone.
with IR zone 2. Loop output
controller connected
(Keypad, instead of variable
etc.). zone output
No audio from 1. Loose/bad
one or more speaker cable
channels connection
2. Break/short
in speaker
cable.
3. Speaker is
defective.
4. Source not
sending audio.
Audio very Impedance-
distorted in Match settings
areas using incorrect.
volume controls
Volume control
miswired
© ELAN Home Systems 2009 • All rights reserved.
Table 5-1 Audio Troubleshooting Procedures
What an authorized installer can do
a. Ensure proper grounding using a three prong grounded AC
outlet.
b. Isolate problem by disconnecting each source one-by-one.
Reduce level settings in VIA!TOOLS or ELANTOOLS.
Check source equipment cables for damaged cables and
faulty connections.
a. Make sure any volume controls are not hooked up backwards.
b. Check for shorts in wiring.
Carefully check polarity of each speaker.
Isolate to source or zone and correct.
Increase/decrease source level (+9/- 6dB).
Set DIP switches to Variable.
Connect Variable zone output to amplifier.
Check cable ends at binding posts and speaker terminals.
Check continuity of each speaker cable using a multimeter. If
short or open is indicated, check wiring for proper connections.
Swap with known good speaker.
Verify source is powered up and playing. Check any Tape
Monitor settings on A/V Receiver.
Correct Impedance-Match jumper settings on volume control(s)
Check for proper input/output connections at volume control.
Input comes from amplifier, output goes to speakers.
S86A
INSTALLATION MANUAL
Page 63