High Fuel pressure red warning light

Any DA40 related topics

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Jeff
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Re: DA42 Datalogging

Post by Jeff »

carym wrote:Jeff,
I have put an SD card in both my PFD and MFD top slot but do not get any data logging. Do you know if this feature is unavailable for the DA42 (just like WAAS is unavailable for the KAP140 DA42)?

Thanks,
Cary
In the DA42 for the data logger feature to be loaded and used, the PFD/MFD require to be at software level 9.15 or greater.

For the DA42TDI the current system software is 370.22, which has PFD/MFD software 9.05.

For the DA42NG the current software is 670.05, which has PFD/MFD software at 11.12

For the DA42 L the current software 1054.03 (ONLY FOR WAAS AIRCRAFT), which has PFD/MFD software 11.13

So currently only DA42L with WAAS, with latest software, and DA42NG with 670.05 will have the data logger capability.

I am attempting to see if there is a software upgrade in the works that might have this feature enabled for the TDI DA42's and will let you know.
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Eric N
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Re: High Fuel pressure red warning light

Post by Eric N »

Cary, it is my understanding that this feature (i.e. datalogging) was implemented with the .22 version of the system software for the DA40; I have no idea what version is the latest for the 42, or even if it has the same features.
I just saw that Jeff just beat me to answering Cary's question, and with much better information, so I'm a few seconds late and way more than a dollar short.
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Lance Murray
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Re: High Fuel pressure red warning light

Post by Lance Murray »

If I remember correctly: when I electrically disconnected my fuel and or oil pressure sensor the indication read off-scale high. I expected a red x but no it was off-scale high.

Your issue could be caused by a faulty electrical connection.

Also I can't think of any reason to do an immediate return with a high indication. Acknowledge the red warning so you don't panic your passengers, reduce power or shut off a pump, do a little diagnoses but don't panic. Your engine isn't going to fail. More often than not these kind of things are indication related.

I am now the owner of some aircraft salvage that someone crashed and killed himself by panicking because his engine was running rough. He only had a clogged fuel injector and his engine would have kept running at slightly reduced power indefinitely. He panicked and chose to try and land in 1/4 mile visibility and snow. He was only VFR rated.

Not saying you panicked at all. Just food for thought.

Have your mechanic check the fuel screen just for good measure.
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Lance Murray
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Re: High Fuel pressure red warning light

Post by Lance Murray »

In regards to data logging: you also have to enable data logging in one of the AUX menu pages.
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Eric N
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Re: High Fuel pressure red warning light

Post by Eric N »

Lance, as I said in my initial post, because the engine was running fine, and no other parameters seemed to be affected, we soldiered on, and whether turning the boost pump on actually did any thing or not is hard to say though it seemed--twice--to extinguish the alarm. We suspected at the time the problem was sensor-related and have flown twice since then without recurrence. It turns out that the oil pressure and fuel pressure senders are identical and switching wires can be used for troubleshooting (according to Diamond). We're in a watch-and-see mode for now.
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Lance Murray
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Re: High Fuel pressure red warning light

Post by Lance Murray »

Eric, I had an issue with low fuel pressure indication. I switched the sensors and the problem didn't follow to the oil pressure and never had a problem since. The pressure ranges are different. Possibly the higher oil pressure cleared the fault in the sensor?
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Re: High Fuel pressure red warning light

Post by Robin »

Lance

Very sage advice...AVIATE - fly the plane. There was an incident here in Melbourne where the door popped open in a Piper Arrow. The pilot got distracted, trying to close the door, the fly was flying just fine, but managed to stall and crashed...

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Re: High Fuel pressure red warning light

Post by smoss »

Has anyone here replaced the fuel or oil pressure transducer? I am wondering if it is a Diamond specific part, or a generic Lycoming or Garmin part. Thanks for any input.
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Rich
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Re: High Fuel pressure red warning light

Post by Rich »

smoss wrote: Mon Dec 21, 2020 7:38 pm Has anyone here replaced the fuel or oil pressure transducer? I am wondering if it is a Diamond specific part, or a generic Lycoming or Garmin part. Thanks for any input.
Offhand I believe there are two of each of these. One to feed the engine instrumentation and one that triggers a warning. The latter are probably generic simple switches. The part numbers for the latter can be gleaned from the IPC.
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Re: High Fuel pressure red warning light

Post by astaib »

I changed the oil temp sensor. But not the pressure.
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