Alternator warning alarm coming on intermittently

Any DA40 related topics

Moderators: Rick, Lance Murray

User avatar
Tim H
4 Diamonds Member
4 Diamonds Member
Posts: 453
Joined: Wed Dec 29, 2010 3:44 pm
First Name: Tim
Aircraft Type: DA40
Aircraft Registration: N233MA
Airports: KMGY
Been thanked: 34 times

Re: Alternator warning alarm coming on intermittently

Post by Tim H »

Bob-

How was this issue resolved?
User avatar
Davestation
4 Diamonds Member
4 Diamonds Member
Posts: 250
Joined: Tue Mar 12, 2019 7:49 pm
First Name: David
Aircraft Type: D-JET
Aircraft Registration: NDJET
Airports: KFTW
Has thanked: 103 times
Been thanked: 100 times

Re: Alternator warning alarm coming on intermittently

Post by Davestation »

Tim H wrote: Thu Jan 07, 2021 2:31 pm Bob-

How was this issue resolved?

9/10 times it’s that 100 ohm aux resistor that triggers the regulator’s warning light as mentioned. Make sure the SB was done— that there is a PCB securing it instead of a loose resistor flapping in the breeze
Post Reply