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Beeping Noise When Switching on Battery

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Whenever I switch on the battery a beeping noise starts and I cannot figure out what it is and how to stop it. Can anyone help please?Thanks.Art Schwartz, Jr.

  • Commercial Member

When does it stop during the pre-flight? It does stop eventually? Two things I can think of - IRS on BAT or TO config warning.Best regards,Robin.

When does it stop during the pre-flight? It does stop eventually? Two things I can think of - IRS on BAT or TO config warning.Best regards,Robin.
Doesn't stop at all unless I switch off the battery.Art Schwartz, Jr.

Are you able to upload a quick video of it to youtube for us, or at least take a screenshot of your overhead and panel while the beeping is going?

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The first one has no relation to the sounds. The second one will solve in case of IRS in ON position.As stated above, ONLY 3 things are possible:1) TO config warning (beep beep beep...), in this case, put throttles to idle2) IRS are ON DC power (two tone noise), in this case, put both IRS selector to OFF BEFORE putting on battery.3) Cabin pressure, your airfield is above 10000fts and the cabin horn is sounding (same as take off config), 2 solutions avaiable: chose another lower airport, or, use the horn cutout button on the overhead panel, near the pressurization gauges.No other sounds can be heared from battery power. Unless you have a fire.....

Regards

Andrea Daviero

Are you able to upload a quick video of it to youtube for us, or at least take a screenshot of your overhead and panel while the beeping is going?
I have screenshots but can't figure out how to upload them.Art Schwartz, Jr..
The first one has no relation to the sounds. The second one will solve in case of IRS in ON position.As stated above, ONLY 3 things are possible:1) TO config warning (beep beep beep...), in this case, put throttles to idle2) IRS are ON DC power (two tone noise), in this case, put both IRS selector to OFF BEFORE putting on battery.3) Cabin pressure, your airfield is above 10000fts and the cabin horn is sounding (same as take off config), 2 solutions avaiable: chose another lower airport, or, use the horn cutout button on the overhead panel, near the pressurization gauges.No other sounds can be heared from battery power. Unless you have a fire.....
Thanks for help guys. It turned out to be the throttles. Go figure. Solved.Art Schwartz, Jr.

Edited by abschwartzjr

It turned out to be the throttles. Go figure.
It's the "not in take-off configuration" alarm. You'll get it for a few things, but only throttles forward when going from cold start, I think..I'm sure others will chime in. You'll get it if you start your roll/TO-GA throttles with your TO flaps incorrect too. And doors?bestjake

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Slat/flap position (must be in TO range depending on aircraft model 1/2/3/4/5/6/7/8/900)spoilers not down detentParking brake setStab trim not in green bandAt least one throttle not in idle and one of the above.

Regards

Andrea Daviero

Keys in the ignition with the headlights on?;)I'll go with Andrea's post.

Matt Cee

At least one throttle not in idle and one of the above.
To be pedantic, said throttle must be above a certain angle for the warning to occur. Otherwise it would be really annoying during the taxi out!

David Zhong

 

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On ther classic was around 30-33° and on the NG is around 50° of lever angle.

Regards

Andrea Daviero

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