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AutoQuad Forum • View topic - AQ died suddenly after succesful dynamic calibration

AQ died suddenly after succesful dynamic calibration

Info and discussion about the original AQ v6 flight controller

AQ died suddenly after succesful dynamic calibration

Postby camflyer » Sun Jan 06, 2013 11:44 am

Hi all

I was so happy with this fantastic project until the sudden and unexpected death of the AQ Flightcontrol. Here is a Pic of my Hexacopter with Hardware from viacopter after succesful dynmic calibration
Hexa_Carbon_small.jpg
New AQ-Hexa with Hardware from viacopter
Hexa_Carbon_small.jpg (95.89 KiB) Viewed 12451 times


After dynamic calibration I wanted to check the compass curves by spinning copter slowly over every axis. The Transcend 8GB class 10 microSD recorded the movements until ca. 3700 when suddenly all Leds went off. Since then AQ-Board is dead. Not even the Power-Led goes on.
Looks very similar to the Thread from leopold1 who experienced the same sad effect.

Hopefully the log will help in this case. LOG_IMU_MAG looks good until it's sudden stop. The only strange curves I found are LOG_VOLTAGE3 to 5. Is this a abnormal behaviour?
Logfile009_deadAQat3700.jpg
Log while spinning copter in hands until AQ died at ca. 3700

Measured the 2 Recoms -> they still output 5V. Current draw of the dead board at 12V is 250mA. Copter runs on 3s 2200mAh.

Hope a forum member or JussiH can help to get the baby airborne

Ulrich
camflyer
 
Posts: 7
Joined: Sat Jan 05, 2013 9:15 pm

Re: AQ died suddenly after succesful dynamic calibration

Postby leopold1 » Sun Jan 06, 2013 12:51 pm

Ulrich,
Sorry for your loss! I know how it feels.
Trying to detimine want went wrong I'm looking for simularities in the setup.
What ESC's were you using, Xbee?, ppm convertor?,......

Hope to find something.
leopold1
 
Posts: 311
Joined: Tue Jul 31, 2012 11:43 pm
Location: Belgium

Re: AQ died suddenly after succesful dynamic calibration

Postby camflyer » Sun Jan 06, 2013 1:59 pm

Hi
some infos about my setup. I don't see any critical combination at the moment. During static and dynamic calibration no problems at all.

Firmware 6.6r33

3DR Radio telemetry system 433Mhzb in the following configurations: serial board (for the air) and USB (for the ground). Ground PC was off during the incident.

AQ was disarmed and Motors were not running. I had a good GPS 3d lock after powerup within 3 seconds.

Receiver was a sumsignal JetiDuplex RMK2 with 2.4 GHz. The transmitter was off during the test.

ESC are flyduino 25A with SimonK Firmware

Power is 3s lipo with 11.7V / 2200mAh

Transcend 8GB class 10 microSD

Ulrich
camflyer
 
Posts: 7
Joined: Sat Jan 05, 2013 9:15 pm

Re: AQ died suddenly after succesful dynamic calibration

Postby JussiH » Sun Jan 06, 2013 6:20 pm

Hi Ulrich

Pls send me a email about this, with your order details - we have had some unexplained MCU failures lately, but we have replaced them under warranty.

Jussi
JussiH
 
Posts: 2103
Joined: Thu Jun 21, 2012 9:25 pm

Re: AQ died suddenly after succesful dynamic calibration

Postby camflyer » Sun Jan 06, 2013 7:07 pm

Hi Jussi

Thx. PM sent to your viacopter Mail

Ulrich
camflyer
 
Posts: 7
Joined: Sat Jan 05, 2013 9:15 pm

Re: AQ died suddenly after succesful dynamic calibration

Postby leopold1 » Sun Jan 06, 2013 9:27 pm

There must be a similar reason for this.
What was connected and got powered from the AQ board?
leopold1
 
Posts: 311
Joined: Tue Jul 31, 2012 11:43 pm
Location: Belgium

Re: AQ died suddenly after succesful dynamic calibration

Postby camflyer » Sun Jan 06, 2013 10:18 pm

camflyer
 
Posts: 7
Joined: Sat Jan 05, 2013 9:15 pm

Re: AQ died suddenly after succesful dynamic calibration

Postby leopold1 » Mon Jan 07, 2013 12:00 am

Can you test, if possible, if your telemetry still works?
leopold1
 
Posts: 311
Joined: Tue Jul 31, 2012 11:43 pm
Location: Belgium

Re: AQ died suddenly after succesful dynamic calibration

Postby camflyer » Mon Jan 07, 2013 8:14 pm

camflyer
 
Posts: 7
Joined: Sat Jan 05, 2013 9:15 pm

Re: AQ died suddenly after succesful dynamic calibration

Postby leopold1 » Mon Jan 07, 2013 8:56 pm

Yes 3 cases.
Perhaps a bad batch of MCU's?
Last edited by leopold1 on Tue Jan 08, 2013 12:02 am, edited 1 time in total.
leopold1
 
Posts: 311
Joined: Tue Jul 31, 2012 11:43 pm
Location: Belgium

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