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Re: Erratic Fuel Flow (FF)  reading with alarm I use the Facet pump provided by Vans. However, I don't use it for t&Gs, in fact I don't use it at all except to provide pressure for the electric primer. You are correct, with the fuel pump on, the FF indicates .5 GPH before engine start. The...

Intermittenly I have a high FF alarm, 20 plus GPH during T&Gs. I have a RV-9A, carbed O-360-A4M with fixed pitched prop and a D180. I have the alarm set at 20.1 GPH to keep alarms to a minimum. I add takeoff power smoothly, apprximately 3/4 power, stablize then full power. One out of four...

I removed my unheated pitot and installed my new heated pitot today. First problem I encountered was the single attach screw I used to secure the pitot to the mask in my unheated pitot. The attach screw cleared the two tubes by a wide margin in the unheated probe. Using the same hole in the...

Today, the clock problem is solved. Mike, Dynon sparkchaser extraordinaire, suggested I disconnect the Keep Alive(KA) wire since I have the backup battery (BB) it isn't needed. It worked, he doesn't know why but it worked, the clock now keeps correct time, at least it was correct when I left...

Have you guys had time to set up a D180 to try and duplicate my clock problem? As background, the clock kept good time prior to the v.5.0 update. Nothing else was changed during or after the update except I downloaded a checklist to the D180 a week after the 5.0 update. Any possiblility the...

I have a Garmin GNS 300XL connected and it is not powered up until after engine start. The D180/100 are powered up on internal/aircraft battery prior to engine start. The GPS does not correct the D180 time. Dan.

Yes, the D180 clock boots to random times. If the D100 becomes the master, will there be any determental effect on the overall system? Dan.

Yes, the D180 boots with the incorret time. Yes, both units give the 30 second power down warning. Both units work as advertized except this one D180 "clock abnormality" with the v.5 update. Dan.

It's certainly not clear to me either. Reset the correct time, wait a few minutes to insure the correct time functions, then turn off the power. 30 minutes later, reapply the power to the D180, the time is incorrect, turn off the D180 and apply power to the D100, the time is correct. Leave...

The clock must be reset after powering down. Note: If I reset the clock then power down, then immediately power up, the clock has the correct time. I tested this today, I reset powered down waited 5 minutes and added power, the clock had the correct time. I repeated this exercise 4 times...

After the 5.0 update, my clock on the D180 and D100 (D180 the master) need resetting at next powerup. Both units have internal batteries and keep alive wires. I use 24 hour for the local time and Z+8 for ZULU. The clock resets as per manual and keeps good time until the units are turned off...

Dynon is correct about resistors and P-leads. I may have not explained properly and confused some folks (and me) about the P-leads from the mag and the EMS P-lead pickups for the tach. The resistors (circuit board) go between the ignition switch and EMS pickups for the tach. Dan

If you put the resistors in-line with the P-leads, be sure to heat shrink the resistors adequately agains vibration/movement. The solid resistor leads will not tolerate vibration very long before they fail. An alternative is to mount the resistors in a small, 1"x1" circuit board, then solidly...

Rober: I mounted my 2 wire OAT on the first inspectiion plate on the left wing and used two knife connectors to facilitate removal. Dan

Guys: Do I still need to keep the 9 pin sub Ds connected to each other via gender reverser and null modem? I have installed v4.2 on both the D180 and the D100. I was downloading, inflight, the data from the D180 and the D100 seemed to function normally through the DSAB. I've researched...

On my RV-9A, I put my OAT probe in the first inspection panel outboard from the left wing root. I just dropped the panel, drilled the hole, installed the OAT and a shorter run for the wires to boot. Dan.

Is it possible on a future update, to add command bars to the EFIS? Dan

I wonder why altimeter settings can't be transferred between various Dynon units if they are already talking to each other. Dan