ATON AH66T User Manual

Page 51

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A T O N

AH66T

INSTALLATION MANUAL

Page 50

Audio (Continued)

Symptom

Possible Cause

Solution

Audio “hum” or
buzz through
system speakers

1. Ground potential difference between

source components (ground loop)

1. (a) Test AC outlet using ground tester.

(b) Reverse the AC plug of components with non-

polarized ends plugged into the same outlet strip
as amp.

time.

2. Source Input level is too high.

2. Reduce Input level settings in the ATON configuration

software.

3. Faulty / damaged cables or speaker

wiring

3. (a)Check source equipment cables for damage or

faulty connections

(b) Check for shorts in speaker wiring or improperly

wired volume controls.

Poor audio quality.
Audio is unclear,
Bass response is
low.

1. Speakers out of phase

1. Correct polarity of speaker wiring

2. Defective/incompatible speaker

2. (a)Check for physical damage to speaker.

(b) Ensure speakers have appropriate power rating for

amplifier.

3. Incorrect Left/Right assignment of

source or zone RCA cables

3. Isolate to source or zone and correct.

4. Poor audio cable connection between

source and AH66T.

4. Verify/correct connections

Audio plays at full
volume in a variable
zone

Pre-amp output set to fixed in
programming software

Correct programming to make pre-amp output
variable

No audio to one or
more speakers

1. Loose/bad speaker wire connections
2. Break or short in speaker wiring
3. Defective speaker(s)
4. Source not sending audio

1. Check speaker wiring connections.
2. Check speaker wire continuity with a multi-meter
3. Swap with known good speaker
4. Verify source is on and playing

Audio very distorted
in areas using
volume controls or
DLA Speaker
Selector

1. Impedance Match settings incorrect

2. Volume control / Speaker Selector

miswired

1. Correct impedance match settings on volume

control(s) or DLA Speaker Selector.

2. Check for proper in/out connections at volume control

or DLA Speaker Selector

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