Troubleshooting - Elan D400 Installation Manual And User's Manual

D400/D401
INSTALLATION MANUAL

4. Troubleshooting

SYMPTOM
No Audio From One or More
Channels
"M" Flashes on Display,then
Volume Setting
"E" Message Displayed
on Front Panel
Audio "Hum"
Distorted Audio at Normal
Volume Levels
Page 18
CAUSE
1. Loose/Bad peaker Cable S
Connection
2. Break/Short in Speaker Cable
3. Speaker is defective
4. RCA Patch Cable Defective
5. Source not Sending Audio
Channel is in MUTE
Amplifier in Protection Mode
1.Ground Potential Difference
Between Source Components
(Ground Loop)
2. Faulty/Damaged Cables
3. Faulty Wiring
1. Input Gain Too Hig h
2. Defective/Incompatible
Speaker
3. Volume Control Miswired
E L A N H O M E S Y S T E M S
SOLUTION
Check Cable Ends at Binding
Posts and Speaker Te rminals
Check Continuity of Each Speaker
Cable Using Multimeter.
If Short or Open is Indicated, Check
Wiring for Proper Connections.
Swap with Known Good Speaker
Swap with Known Good Patch
Cable.
Verify Source is Powered Up and
Playing. Check any Tape Monitor
Settings on A/V Receiver.
Make sure triggering device's
remote output is connected and
producing voltage.
Find short or low-impedance
condition. Correct overheating or
AC power issues. Once issue is
found and resolved, cycle power to
D400. This condition could be
caused by 1. 2.,3., and/or 4 above.
Plug All Sources into Same AC
Outlet.
Test AC Outl et Using Ground
Teste r.
Check Source Equipment Cables
For Damaged Cables and Faulty
Connections.
Make Sure Any Volume Controls
Are Not Hooked Up Backwards.
Check for Shorts in Wiring
(See item 2 in "No Audio...")
Reduce Gain to the Channel in
Question. Ensure Red Clipping
LEDs are not Pulsing or On
Constantly.
Check for Physical Damage to
Speaker
Ensure speakers have an approp-
riate power rating for amplifier.
Check for Proper Input/Output
connections at Volume Control.
INPUT Comes from Amplifier,
OUTPUT Goes to Speakers.
© ELAN Home Systems 2005 • All rights reserved.