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DA40-180 G1000 Alternator warning light mystery
Little help from the list:
I've had two shops look at my DA40 and no luck. Two weeks ago I flew pretty heavy IFR long x-c (Leesburg, VA to St Loius, MO) the plane sat on the ramp in the rain overnight one night. Next morning the "Alternator Failed- the battery is the only power source" red warning came on. I immediately went into the shop where I was and had them look at it and put a Fluke on the connection just in front of the firewall. This is after looking at the alternator, checking the tension of the belt, making sure everything was dry,etc. I continually watch the system info to make sure the vlots are 28 +/- when the engine is at cruise, so I know the alternator is working. The plane seems to be running fine, but it's not a comforting warning light or thing to have dinging constantly on approach. The warning light now predictably comes on during most run-ups, and stays on for climb out and back on at decent. This makes me think a sensor is overheating or something. Anyone have any ideas or similar issue? Thanks. Sweendawg |
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