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Thread Tools | Display Modes |
#11
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A real head-scratcher
At least, then you'll get the latest software................which is a big
improvement i've been told KG "Jay Honeck" wrote in message ups.com... The time-honored diagnostic is to thwack it with your finger and see if the display changes. If that fails, try time-honored diagnostic #2: unplug the unit and plug it back in to reseat the connectors. Well, I've tried whacking it (of course!), to no avail. Luckily, my next planned upgrade was to install the outside air temperature probe for the EDM-700, which will mean pulling the unit out of the panel anyway. It's a real SOB to get at, so I suppose I should be thankful that it chose now to go screwy... Once it's out, we can play with it a bit more. I'm betting that I have to send the danged thing back to JPI... -- Jay Honeck Iowa City, IA Pathfinder N56993 www.AlexisParkInn.com "Your Aviation Destination" |
#12
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A real head-scratcher
On Mon, 03 Sep 2007 20:14:02 -0700, Jay Honeck
wrote: So we hop in the plane yesterday for the 50 minute flight to Janesville, WI, and I notice that the display on our JPI EDM-700 engine analyzer looks funny. Some of the LED numbers are missing pieces. Most are not. All the vertical graph/bars appear to be fine. I've seen this in many solid state displays that used the conductive rubber strip between the display and the circuit board. I don't know if yours is hard wired or used this route. Anything that breaks that connection and lets in moisture or dirt can be a real headache. Now for the odd part: The missing segments of the LEDs are NOT consistent. For example, the same section of LEDs might improperly display an "8" with a couple of missing segments on the right side of the 8 -- but the next second it will change to a "9" and those right- side segments will appear normally! It's almost like the internal programming for the display of numerals is screwed up, rather than the display itself? Any theories here? I was hoping it would cure itself (ha!), but it was the same on our flight today.... Then again I had something like this in an old KY197 and it took a new display to fix it. Too bad it wasn't the display some one tried to clean with a harsh solvent. |
#13
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A real head-scratcher
I had a similar problem. I think JPI charged me a couple hundred for
it and that included updated software. -Robert |
#14
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A real head-scratcher
On Sep 4, 1:23 pm, "Dan Luke" wrote:
wrote: The time-honored diagnostic is to thwack it with your finger and see if the display changes. If that fails, try time-honored diagnostic #2: unplug the unit and plug it back in to reseat the connectors. The EDM is a single unit, the display and internals are one piece so there really isn't anything to unplug and replug in other than the actual probes, which doesn't appear to be related to the problem. -Robert |
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