ChiefPilot
New Member
- Joined
- Dec 23, 2010
- Messages
- 44
Not sure if this goes here or the EFIS forum...
I recently finished installation of my EFIS-D10A, EMS-D10, AP74, and two SV32 AP servos. Everything installed fine - I upgraded the firmware to 5.4 on everything and then configured the various pieces as needed. So far so good!
The issue is that when I turn something else on, I lose DSAB communications - it doesn't matter if it's the strobes, pitot heat, avionics, landing light, etc. I am running off just the battery at this point, but do have a bench power supply that supplies up to 5A @12V in addition to what the battery supplies.
The problem does NOT happen if I do not have the AP74 plugged in - I can turn everything on and the everything functions normally (aside from the message about not being able to communicate to the AP74). The EFIS still sees the EMS and servos without issue. When the AP74 is plugged in and I power everything up, turning on anything else will cause the DSAB to disappear with the following symptoms :
1. All lights on the AP74 turn off
2. Communications between the EFIS and EMS is lost (no OAT reporting, etc.)
3. Messages about loss of communications on EFIS etc.
The problem remains until I power cycle the EFIS D10A; then it is ok. It will not fix itself w/o powering down the EFIS and restarting.
Any suggestions?
Thanks!
I recently finished installation of my EFIS-D10A, EMS-D10, AP74, and two SV32 AP servos. Everything installed fine - I upgraded the firmware to 5.4 on everything and then configured the various pieces as needed. So far so good!
The issue is that when I turn something else on, I lose DSAB communications - it doesn't matter if it's the strobes, pitot heat, avionics, landing light, etc. I am running off just the battery at this point, but do have a bench power supply that supplies up to 5A @12V in addition to what the battery supplies.
The problem does NOT happen if I do not have the AP74 plugged in - I can turn everything on and the everything functions normally (aside from the message about not being able to communicate to the AP74). The EFIS still sees the EMS and servos without issue. When the AP74 is plugged in and I power everything up, turning on anything else will cause the DSAB to disappear with the following symptoms :
1. All lights on the AP74 turn off
2. Communications between the EFIS and EMS is lost (no OAT reporting, etc.)
3. Messages about loss of communications on EFIS etc.
The problem remains until I power cycle the EFIS D10A; then it is ok. It will not fix itself w/o powering down the EFIS and restarting.
Any suggestions?
Thanks!