Noise from air conditioning

Liberty44140Liberty44140 Member Posts: 4,414 ✭✭✭✭✭
in Electrical Discussions
Over the last few weekends I've been getting this noise from the ac. Does not happen with blower only running, happens only when compressor is on heat or cool. If you listen closely you can hear it's like an insect buzz in the background. Any ideas? Link to see/hear below 

https://youtu.be/blXa6EAU8vs
07' Cruisers 390 (Previous Rinker's: 06' 342EC & 01' 310FV)

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Comments

  • trip_ntrip_n Member Posts: 747 ✭✭✭
    edited October 2017
    sorry i dont/cant hear=try cleaning the filters and make sure they are fitting tight=have you stowed anything near-vibration
    no fly's trapped==sorry had to

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  • Handymans342Handymans342 Member Posts: 10,375 ✭✭✭✭✭
    You may need to put rubber shims between the pan and the hull to dampen the noise. There is also a damper blade inside that large air grill that may cause the noise.
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  • reneechris14reneechris14 Member Posts: 3,134 ✭✭✭✭✭
    @Handymans342 is right my damper blade vibrates pretty bad , 
    2005 Rinker FV342  Pawcatuck river,Ct
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  • Liberty44140Liberty44140 Member Posts: 4,414 ✭✭✭✭✭
    Thanks guys - I'll play around this weekend. Is the damper blade inside the large grill on the unit itself? Like near the coils?
    07' Cruisers 390 (Previous Rinker's: 06' 342EC & 01' 310FV)

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  • Handymans342Handymans342 Member Posts: 10,375 ✭✭✭✭✭
    Right inside the grill
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  • Handymans342Handymans342 Member Posts: 10,375 ✭✭✭✭✭
    Controls the air flow to the bathroom
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  • reneechris14reneechris14 Member Posts: 3,134 ✭✭✭✭✭
    I just stuck a screw drive though the slot and touch the damper and the sound stopped. But I never fixed it but know what the sound is.
    2005 Rinker FV342  Pawcatuck river,Ct
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  • Liberty44140Liberty44140 Member Posts: 4,414 ✭✭✭✭✭
    My dampener was ok, PO had stuck a wine corn between the baffle and the wall to get good air flow to the head and to stop vibration. I opened up the compartment with the compressor and there was a plastic wire holder touching the compressor, moved it away and no more noise. All good.
    07' Cruisers 390 (Previous Rinker's: 06' 342EC & 01' 310FV)

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  • aero3113aero3113 Member Posts: 9,893 ✭✭✭✭✭
    Nothing better than an easy fix!!
    2008 330EC
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  • reneechris14reneechris14 Member Posts: 3,134 ✭✭✭✭✭
    Lucky man
    2005 Rinker FV342  Pawcatuck river,Ct
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  • JosephJonesJosephJones Member Posts: 5 ✭
    It might be due to faults in compressor, lose connection or malfunctioning. Check the connection and compressor is their any leak or fan problem and clean it.
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  • IanIan Member Posts: 3,064 ✭✭✭✭✭
    edited January 2018
    That compressor buzz you get is what keeps us awake at night, wish that could be dampened somehow. I'll look to see if I can put something under. But I also don't have any dampers or blades, just the R/A grill

    Regards,

    Ian

    The Third “B”

    Ravena Coeymans Yacht Club

    https://www.rcyachtclub.com/

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  • Handymans342Handymans342 Member Posts: 10,375 ✭✭✭✭✭
    I used some rubber pads double on opposite end of drain to keep the pitch
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  • Liberty44140Liberty44140 Member Posts: 4,414 ✭✭✭✭✭
    Like I posted back in October this was just wires pressed against the compressor, once moved away no more noise. When we had the 2001 310 the ac would indeed wake me up when it kicked on. Not sure what they changed but it does not wake me up on the 342. 
    07' Cruisers 390 (Previous Rinker's: 06' 342EC & 01' 310FV)

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  • Handymans342Handymans342 Member Posts: 10,375 ✭✭✭✭✭
    Well my new one is super quiet. Since its water cooled you could experiment by putting that blue panel insulation or something else around it
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