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"Low Humming" Sound when Air-Cond on.
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<blockquote data-quote="jarance" data-source="post: 264756" data-attributes="member: 21"><p>If it the alternator sound, the low humming sound will still be there whther the</p><p>aircon is ON or OFF cos the alternator is always turning when the engine is running.</p><p></p><p>The sound could be noise from the radio as it tends to pick up the alternator</p><p>noise. off the radio and "see" or "hear" whether the sound disapper. </p><p></p><p>Yes aircon AHU motor being inductive load can generate noise. The noise can be eliminated or reduced via capacitor (suppressor).</p></blockquote><p></p>
[QUOTE="jarance, post: 264756, member: 21"] If it the alternator sound, the low humming sound will still be there whther the aircon is ON or OFF cos the alternator is always turning when the engine is running. The sound could be noise from the radio as it tends to pick up the alternator noise. off the radio and "see" or "hear" whether the sound disapper. Yes aircon AHU motor being inductive load can generate noise. The noise can be eliminated or reduced via capacitor (suppressor). [/QUOTE]
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"Low Humming" Sound when Air-Cond on.
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