Espritmodel.com Telemetry Radio
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Old Jun 28, 2013, 04:20 PM
12th Pursuit Squadron
TheAeronut's Avatar
Garland, Tx.
Joined Mar 2002
1,101 Posts
That is a power supply problem. Either the BEC is bad or the battery is flat... As Frank said, try doing the test with a regular receiver battery, or different ESC/BEC and battery.

J.P.
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Old Jun 29, 2013, 04:19 AM
Not always grumpy!!
insomaniac45's Avatar
UK, Eastleigh, Eastleigh
Joined Jul 2010
522 Posts
Cheers FrankS,

i made up a make shift rx battery lead, the rx was being fed by a 450mah 2s and all was fine,

i have not yet done the conversion, as i wanted to make sure all the other electronics were absolutely fine.

now i know it all works fine, i can go ahead with getting all the other parts i need
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Old Jun 29, 2013, 10:57 AM
59 years of RC flying
Daedalus66's Avatar
Canada, ON, Ottawa
Joined Feb 2006
16,011 Posts
If you are running the receiver on a 2s LiPo with no BEC or ESC, be careful!

Most FM and some 2.4 were designed for a 4-cell NiCd or alkaline pack or 5-cell NiMH (i.e., 4.8-6v) and may not take kindly to the 8.4v of a fully charged 2s LiPo. Likewise, many servos will fail quickly at that voltage.
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