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UV Light

 
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trumanst(at)netins.net
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PostPosted: Mon Mar 20, 2006 7:46 am    Post subject: UV Light Reply with quote

Bob,
I was making my third flight in my Tri Q 200 this past Sat. I noticed that
every time I presses the mic remote key switch, the OV light would come on.
Nothing is connected to ships power at this time. Using nine volt on
intercom, and a new IC-A6 with it's own battery. Ever heard of anything like
this before? I did not have the ships antenna hooked up either. Rubber ducky
only.
I did not notice it on the first two flights, but may have not been aware of
it. Had other tasks on my mind.
Thanks for all you do.

Kevin Boddicker
Luana, Iowa
Tri Q200 N7868B
Flying!!!! 2.6 HRS


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nuckollsr(at)cox.net
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PostPosted: Mon Mar 20, 2006 9:21 am    Post subject: UV Light Reply with quote

At 09:45 AM 3/20/2006 -0600, you wrote:

Quote:


Bob,
I was making my third flight in my Tri Q 200 this past Sat. I noticed that
every time I presses the mic remote key switch, the OV light would come on.
Nothing is connected to ships power at this time. Using nine volt on
intercom, and a new IC-A6 with it's own battery. Ever heard of anything like
this before? I did not have the ships antenna hooked up either. Rubber ducky
only.

Who's OV light?

Quote:
I did not notice it on the first two flights, but may have not been aware of
it. Had other tasks on my mind.

At first blush, it sounds like the OV sensor is sensitive
to RF. Hand-helds with rubber duck antennas can be the
worst antagonists with respect to cockpit mounted accessories.
In fact, I used my hand-held as a quick-looksee for RF susceptibility
for hardware on the bench.

Bob . . .
< What is so wonderful about scientific truth...is that >
< the authority which determines whether there can be >
< debate or not does not reside in some fraternity of >
< scientists; nor is it divine. The authority rests >
< with experiment. >
< --Lawrence M. Krauss >


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sportav8r(at)aol.com
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PostPosted: Mon Mar 20, 2006 9:33 am    Post subject: UV Light Reply with quote

Dang, I was expecting to read something interesting about applied fluorescence technology or day-glo instruments in the cockpit... apparently the UV in the header is actually OV??
do not archive

--


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trumanst(at)netins.net
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PostPosted: Mon Mar 20, 2006 4:08 pm    Post subject: UV Light Reply with quote

on 3/20/06 11:16 AM, Robert L. Nuckolls, III at nuckollsr(at)cox.net wrote:

Quote:

<nuckollsr(at)cox.net>

At 09:45 AM 3/20/2006 -0600, you wrote:

>
>
> Bob,
> I was making my third flight in my Tri Q 200 this past Sat. I noticed that
> every time I presses the mic remote key switch, the OV light would come on.
> Nothing is connected to ships power at this time. Using nine volt on
> intercom, and a new IC-A6 with it's own battery. Ever heard of anything like
> this before? I did not have the ships antenna hooked up either. Rubber ducky
> only.

Who's OV light?
B&C Specilaties.

The light comes on steady when the mic is keyed.
Today, while doing a cowl off inspection, I noticed that the small stranded
wire from the large post to the small post on the S701-1 contactor was
burned in two. I did have a OV trip a few months back while taxi testing,
but figured it was a nuisance trip. Without the small wire the alternator
has been functioning. The battery seems to have full charge. Did not use
tester it was at home. Just looked at the volt meter. Turning the master on
did not bring up the LV sensor light.
Quote:

> I did not notice it on the first two flights, but may have not been aware of
> it. Had other tasks on my mind.

At first blush, it sounds like the OV sensor is sensitive
to RF. That is what we thought also but I was curious. Hand-helds with
rubber duck antennas can be the

Quote:
worst antagonists with respect to cockpit mounted accessories.
In fact, I used my hand-held as a quick-looksee for RF susceptibility
for hardware on the bench.

Bob . . .


< What is so wonderful about scientific truth...is that >
< the authority which determines whether there can be >
< debate or not does not reside in some fraternity of >
< scientists; nor is it divine. The authority rests >
< with experiment. >
< --Lawrence M. Krauss >















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trumanst(at)netins.net
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PostPosted: Tue Mar 21, 2006 4:23 pm    Post subject: UV Light Reply with quote

Bob,
I will try this again. The first time I tried to snip. Didn't work.
The OV/UV sensor came from B&C.
The light comes on steady when the mic is keyed. We aslo thought if might be
RF.
Today, while doing a cowl off inspection, I noticed that the small stranded
wire from the large post to the small post on the S701-1 over voltage
dissconnect contactor was burned in two. I did have a OV trip a few months
back while taxi testing, but figured it was a nuisance trip. Without the
small wire the alternator has been functioning. The battery seems to have
full charge. Did not use a tester it was at home. Just looked at the
voltmeter. Turning the master on did not bring up the LV sensor light.
Any ideas?

Kevin Boddicker
Luana, Iowa
Tri Q200 N7868B 2.6 HRS
Flying!!!!

on 3/20/06 11:16 AM, Robert L. Nuckolls, III at nuckollsr(at)cox.net wrote:

Quote:

<nuckollsr(at)cox.net>

At 09:45 AM 3/20/2006 -0600, you wrote:

>
>
> Bob,
> I was making my third flight in my Tri Q 200 this past Sat. I noticed that
> every time I presses the mic remote key switch, the OV light would come on.
> Nothing is connected to ships power at this time. Using nine volt on
> intercom, and a new IC-A6 with it's own battery. Ever heard of anything like
> this before? I did not have the ships antenna hooked up either. Rubber ducky
> only.

Who's OV light?

> I did not notice it on the first two flights, but may have not been aware of
> it. Had other tasks on my mind.

At first blush, it sounds like the OV sensor is sensitive
to RF. Hand-helds with rubber duck antennas can be the
worst antagonists with respect to cockpit mounted accessories.
In fact, I used my hand-held as a quick-looksee for RF susceptibility
for hardware on the bench.

Bob . . .


< What is so wonderful about scientific truth...is that >
< the authority which determines whether there can be >
< debate or not does not reside in some fraternity of >
< scientists; nor is it divine. The authority rests >
< with experiment. >
< --Lawrence M. Krauss >















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lhelming(at)sigecom.net
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PostPosted: Wed Mar 22, 2006 4:37 am    Post subject: UV Light Reply with quote

Check your wiring. When I turn on the master without the engine
running/alternator producing energy, the LV light is blinking. I can also
get the LV light to blink at low rpms with heavy load, i.e., all the lights
on ( I have an 30 amp alt.)

If your wiring checks out, I'd call B&C to see what they think about
possibilities that you have a bad regulator.

Indiana Larry, RV7 "SunSeeker" 90+ hours flying

"Please use the information and opinions I express with responsibility, and
at your own risk."
---


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trumanst(at)netins.net
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PostPosted: Wed Mar 22, 2006 5:20 am    Post subject: UV Light Reply with quote

Thanks for the reply.
The documentaion that came with my unit states " A flashing light indicates
a bus voltage greater than 15.5 volts DC. Steady light indicates bus voltage
below 12.5 volts DC."
Mine too will ack as yours at low RPM. Must be just at the LV set or below.
Increasing 50 RPM or so will make it disappear.
Kevin Boddicker
Luana, Iowa
Tri Q200 N7868B
Flying!!!!


on 3/22/06 6:31 AM, LarryRobertHelming at lhelming(at)sigecom.net wrote:

[quote]
<lhelming(at)sigecom.net>

Check your wiring. When I turn on the master without the engine
running/alternator producing energy, the LV light is blinking. I can also
get the LV light to blink at low rpms with heavy load, i.e., all the lights
on ( I have an 30 amp alt.)

If your wiring checks out, I'd call B&C to see what they think about
possibilities that you have a bad regulator.

Indiana Larry, RV7 "SunSeeker" 90+ hours flying

"Please use the information and opinions I express with responsibility, and
at your own risk."
---


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