General Category > GS-911 Wifi

Servo Motor - Clearing Code Problem

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Twempie:
Hi, I'm new to the forum and this is my first post.

I've searched for an answer to my question but couldn't find an answer. My bike is a 2016 R1200RTW.

I recently purchased a GS-911 Wi-Fi (it was time), hooked it up, and it gave me this error code:
Fault Code Value: 0x21FA21
Fault Code: Exhaust flap servomotor,
Description: adjustment error

So, I pulled the silencer, and found the servo flap in the exhaust to be stiff. I lubed/loosened it with copper no-sieze, tested functionality by starting the engine and blipping the throttle (flap was moving as it should). Reassembled everything, ran the GS-911 again. I was able to clear the error code.

So I did a "rescan" and the error code reappeared.
I successfully cleared the code again
Another "rescan" made the error code reappear.
And so on, and so on...

I can clear the code, but a rescan brings it back, and then I can clear the code again... so what am I missing here, and is this normal?

Thanks in advance

WayneC:
The fault code reappearing indicates the fault is still present, I am not too familiar with your model however I recall there is a calibration capability in service functions so take a look there run the routine & the fault should be resolved

Twempie:
Thanks Wayne, I'll take a look at that, and check back in.

Twempie:
After riding about a hundred miles, I dug a little deeper into the menus and scanned for errors. Now I can't clear the error code 0x21FA21, and have developed a second error code 0x21FA22.

I'll have to pull the silencer and try to clean/lube the servo again. I'm hoping the servo doesn't need replaced.

----
Fault Codes : 2
 
Fault Code Value : 0x21FA21
Fault Code Description : Exhaust flap servomotor, adjustment error
Currently present : YES
Malfunction Indicator Light (MIL) : NO
Frequency count : 2
Logistic (Healing) count : 40
 Fault Code History :
   Record number : 1
   Odometer : 48420.7 mi
   Absolute Time : 9003964
   Speed : 0.0 mph
   Engine RPM :    0 rpm
   Battery voltage : 12.57 V
   Throttle valve angle relative to throttle valve stop : 15.01 %
   Record number : 2
   Odometer : 48420.7 mi
   Absolute Time : 9004212
   Speed : 0.0 mph
   Engine RPM :    0 rpm
   Battery voltage : 12.73 V
   Throttle valve angle relative to throttle valve stop : 15.01 %
 
Fault Code Value : 0x21FA22
Fault Code Description : Exhaust flap servomotor, mechanical fault or blockage
Currently present : NO
Malfunction Indicator Light (MIL) : NO
Frequency count : 2
Logistic (Healing) count : 40
 Fault Code History :
   Record number : 1
   Odometer : 48420.7 mi
   Absolute Time : 9004169
   Speed : 0.0 mph
   Engine RPM : 1255 rpm
   Battery voltage : 14.16 V
   Throttle valve angle relative to throttle valve stop : 3.91 %
   Record number : 2
   Odometer : 48420.7 mi
   Absolute Time : 9004173
   Speed : 0.0 mph
   Engine RPM : 1255 rpm
   Battery voltage : 13.81 V
   Throttle valve angle relative to throttle valve stop : 3.66 %

Twempie:
I'm considering a servo buddy. Here is a short and shakey video of the servo on my bike after today's redux of cleaning and lubing the shaft that's under the spring.

The servo has movement, but the GS-911 still gives an error, and is unable to actuate the flap.

https://youtu.be/aEFRubd1PGw

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