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Old 07-02-2013, 05:36 AM   #1
brania
 
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inverter alarming when tv turned on

Hi folks,does anyone have any idea how to remedy this problem. when tv is powered up my inverter emits a high pitched sound . All fuses look good to me. The tv works fine but just causes that high pitched squeal. the squeal stops when tv is turned off or the inverter is turned off. this happened yesterday but stopped after powering down both items. later in the day we were able to watch tv fine with no squeal for 2 hours or so. This morning 10 seconds after turning on the tv the squeal returned.
any help would be appreciated,
thanks
Andy
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Old 07-02-2013, 06:07 AM   #2
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Originally Posted by brania View Post
Hi folks,does anyone have any idea how to remedy this problem. when tv is powered up my inverter emits a high pitched sound . All fuses look good to me. The tv works fine but just causes that high pitched squeal. the squeal stops when tv is turned off or the inverter is turned off. this happened yesterday but stopped after powering down both items. later in the day we were able to watch tv fine with no squeal for 2 hours or so. This morning 10 seconds after turning on the tv the squeal returned.
any help would be appreciated,
thanks
Andy
Could be an alarm that is alerting you to a voltage situation, either too much draw from the load or not enough voltage coming into the inverter. Check battery voltage and/or wiring from battery to inverter for loose connection or proper size.
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Old 07-02-2013, 06:32 AM   #3
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Originally Posted by ttrost65 View Post

Could be an alarm that is alerting you to a voltage situation, either too much draw from the load or not enough voltage coming into the inverter. Check battery voltage and/or wiring from battery to inverter for loose connection or proper size.
I'd agree.
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Old 07-02-2013, 07:46 AM   #4
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How about a defective cooling fan/bad fan bearing in the inverter?
Or some kind of debris has somehow fallen into the cooling fan.

I can't hear it so I am guessing. Are you SURE it's an actual alarm squeal or
maybe the fan??

Just a thought.....
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Old 07-02-2013, 09:13 AM   #5
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I'd need a better description of the noise. More details please.
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