squeaky.stow Posted April 17, 2020 Report Posted April 17, 2020 Anybody have one of these on their panel and know what it is for? I am assuming it is original equipment but it has never illuminated since I have owned the airplane, has no label, and it is not mentioned in the POH. 1986 252 TSE Quote
Warren Posted April 17, 2020 Report Posted April 17, 2020 Do you have a older JPI? They install a warning light in the pilots view. That is pretty close to where my light is for my JPI 700. Quote
squeaky.stow Posted April 18, 2020 Author Report Posted April 18, 2020 I have a JPI 830. Do they have a warning light? Quote
carusoam Posted April 18, 2020 Report Posted April 18, 2020 Looks like a prior owner had added a few warning lights in the area... Some things that get added along the way... Engine monitor exceeds limits... Alternator exceeds limits... Stall warning device... Some other add on got a limit that it wants you to know about... Factory supplied limit warnings usually are resident in the annunciator panel... Kind of odd that it didn’t get labeled... Nothing will cause more un-ease... flying along and having that light turn on, and not know what it means... Might be easy to chase from the back side... PP thoughts only, not a mechanic... Best regards, -a- Quote
ArtVandelay Posted April 18, 2020 Report Posted April 18, 2020 I have a JPI 830. Do they have a warning light? It should blink during boot up, at least it does with the 900. Quote
squeaky.stow Posted April 18, 2020 Author Report Posted April 18, 2020 I will watch next time I turn it on, but I have never seen it light up so I suspect it is not connected. The 830 was originally installed on the copilot side, so a warning light makes sense. At some point it was moved to the pilot side, so perhaps the light was disabled at that point. I have some panel work coming up, so I will try to trace the source. Quote
kortopates Posted April 18, 2020 Report Posted April 18, 2020 (edited) Definitely not OEM and I suspect folks are right above that it is the JPI warning light, but that's not the size they ordinarily include with their unit unless its an older version. So could be a warning light from another unit as well such as a Guardian CO or another. Technically every light and CB is required to labeled - so good to get this taken care of. Nice Mooney! Edited April 18, 2020 by kortopates 1 Quote
Mark89114 Posted April 18, 2020 Report Posted April 18, 2020 45 minutes ago, kortopates said: Definitely not OEM and I suspect folks are right above that it is the JPI warning light, but that's not the size they ordinarily include with their unit unless its an older version. So could be a warning light from another unit as well such as a Guardian CO or another. Technically every light and CB is required to labeled - so good to get this taken care of. Nice Mooney! I have a CB on my 2000 Ovation that isn’t labeled......I guess I should pull it and see what doesn’t work. Quote
EricJ Posted April 18, 2020 Report Posted April 18, 2020 I had a mystery light on my panel that wasn't labelled. After a lot of investigation it turned out to be the glideslope acquisition lamp for the autopilot. Once I figured out what it was I checked it back when my a/p was still functional and it worked as intended. Quote
Fry Posted April 18, 2020 Report Posted April 18, 2020 Not meaning to derail this thread, but what is the purpose of this (on a M20J MSE)? Quote
Mark89114 Posted April 18, 2020 Report Posted April 18, 2020 56 minutes ago, Fry said: Not meaning to derail this thread, but what is the purpose of this (on a M20J MSE)? I think it is a post light? 1 1 Quote
ArtVandelay Posted April 18, 2020 Report Posted April 18, 2020 I think it is a post light? Apparently it’s also the oximeter holder. :-) 1 1 Quote
ArtVandelay Posted April 18, 2020 Report Posted April 18, 2020 What are the items I circled in yellow? Quote
PTK Posted April 18, 2020 Report Posted April 18, 2020 5 hours ago, ArtVandelay said: What are the items I circled in yellow? Those are covers to access the light bulbs for trim and flap position indicators. They unscrew but careful because they are plastic and may resist. Chances are they’ve never been removed. I removed mine once, cleaned them and applied a drop of triflow on them and put them back. 1 Quote
larrynimmo Posted April 18, 2020 Report Posted April 18, 2020 Back on the original task....your aspen requires an emergency illumination light in the event of a loss communication to the auto pilot...if so equipped... Quote
HRM Posted April 18, 2020 Report Posted April 18, 2020 11 hours ago, squeaky.stow said: I will watch next time I turn it on, but I have never seen it light up so I suspect it is not connected. The 830 was originally installed on the copilot side, so a warning light makes sense. At some point it was moved to the pilot side, so perhaps the light was disabled at that point. Probably was disabled. The warning LEDs on my MVP-50 drive me nuts. Quote
buddy Posted April 18, 2020 Report Posted April 18, 2020 That looks like a low vacuum light was installed, if you ever had a stand-by vacuum system installed that worked off of manifold pressure. If I remember correctly when I had the system installed in my 201 the warning light came with it. 1 Quote
larrynimmo Posted April 18, 2020 Report Posted April 18, 2020 Back on the original task....your aspen requires an emergency illumination light in the event of a loss communication to the auto pilot...if so equipped... Quote
squeaky.stow Posted April 18, 2020 Author Report Posted April 18, 2020 I should have mentioned the things I have already eliminated in my first post. It’s not the AHARS Fail light. I have one of those and it is clearly labelled. Turbocharged, so no standby vacuum off the manifold. It once had an electric standby vacuum pump. Separate warning light and switch still exist but I am all electric now. A disconnected JPI caution seems like the most likely answer at this point. Thanks for all of the suggestions. Quote
gacoon Posted April 19, 2020 Report Posted April 19, 2020 On 4/17/2020 at 4:46 PM, squeaky.stow said: Anybody have one of these on their panel and know what it is for? I am assuming it is original equipment but it has never illuminated since I have owned the airplane, has no label, and it is not mentioned in the POH. 1986 252 TSE If you are talking about the yellow/green one, the smaller one then: it is the exact same light that I have that indicates the speed brakes are deployed. Should be lit when speed brakes are up and off when they are down. Does the red one indicate speed brake operation in your plane? Quote
squeaky.stow Posted April 19, 2020 Author Report Posted April 19, 2020 Yes, my speedbrake light is the red one. Quote
gacoon Posted April 20, 2020 Report Posted April 20, 2020 14 hours ago, squeaky.stow said: Yes, my speedbrake light is the red one. As I mentioned the other is like my speed brake light, it is really weak and hard to see in the day light. I wonder if someone made an improvement by installing a better light?? Maybe look under there and see if you can see where wires go and whether the green one is wired up to something or not. Quote
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