EMS D120 no 12VCC on pin 15

[JF_Monier]

New SV EMS D120 installed on our demo Flywhale and no voltage detected on pin 15 after first power ON this aircraft.
Oil pressure indication with red cross was the first symptom. I checked every connection to finally found 0 Volt on pin 15 of D37 plug on EMS.
Other indicators, such as Fuel Press (on +5VCC) are ok.
Any good idea welcome to solve this issue !
Thanks.

 

[jakej]

Did you only check the voltage on the wire from the D37, or the male pin at the box ?
If no or low volts on the wire then I would recheck with using another wire at pin 15, sometimes there can be a bad crimp or the female socket is not 'clicked' into place properly. I've never seen a failure of no or low volts from pin 15.
HTH.

 

[JF_Monier]

Did you only check the voltage on the wire from the D37, or the male pin at the box ?
If no or low volts on the wire then I would recheck with using another wire at pin 15, sometimes there can be a bad crimp or the female socket is not 'clicked' into place properly. I've never seen a failure of no or low volts from pin 15.
HTH.

Thanks Jake but,
I finally found the origin of the problem :
12VCC comes from SV network cable, pin 9
that one wasn't fully inserted in socket : my fault !! Not Dynon, everything's fine now.