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Racer S no longer alllows to set power/watts


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Verfasst am: 02.05.2021 [14:41]
rutger
Themenersteller
Dabei seit: 02.05.2021
Beiträge: 5
Hello,
My Racer S (suspect model 2014, with red circle around the crank) has been working well for quite a while. Yesterday - after not using it for 2 months - I wanted to go for a spin, but no matter how high I set the power (using the display, no KWT connected) there was no resistance (even at 400W). When I unplugged and plugged it in again the watt just showed 0 and there are not + and - buttons visible anymore (see pic). I tried resetting the display, put it inside in a warm room for a day, used hair dryer to ensure there is no moisture under the covers (it was in the cold garage for a few months), nothing helped.

Did anyone see this problem before and do you have any tips to repair? 2 months ago I tested the power/watts with a pedal power meter and it was still working perfect. My best guess it is caused by being in the cold garage.

Thanks for your help. And note: I do not have electric engineering skills (wouldn't know how to repair a PCB myself other than replacing it).

[Dieser Beitrag wurde 2mal bearbeitet, zuletzt am 02.05.2021 um 17:57.]
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Verfasst am: 03.05.2021 [21:09]
ErikHelwig
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Dabei seit: 16.12.2009
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Hello rutger,

what about a broken rpm sensor (cable)???
You can check first the connector in the steering tube of your racer S.

@ your red racer S -> unclip the plastic cover over your crank hole and tell me what you can see. A 6er allen screw = case 1 or a 15er mother screw.. = case 2.

In case one you only need a longer M12 screw and a 19 open end wrench for removing the crank.

In case 2 you need a special motortools Crank remover tool.
24,75x1 and a 19 open end wrench.
I think after removing the crank and the side parts you will find the rpm reed contact. Take a normal magnet and go to the contact to check the rpm signal.

Greetings from Austria

Erik

http://winterpokal.rennrad-news.de/images/user/52764.png?1642646
https://winterpokal.rennrad-news.de/images/team/236.png?1746796
11.11. 2000 bis 14.12. 2010 AX1; 14. 12. 2010 bis 3. 2. 2016 Ergo Race; ; 4. 2. 2016 bis 11. 3. 2016 Racer 8; 4. 2. 2016 bis 11. 3. 2016 Racer 8; Ab 15. 3. 2016 Racer S, ab 5.12. 2018 Racer S 2018
Letztes IPN Test-Ergebnis in KWT 2.x Sporttyp sehr hoch -> Wert 0,63.
http://help.kettlerworldtours.de/kettlerworldtours30/bedienung/tastatur-und-bedienpanelbelegung.html
https://www.kettlerworldtours.de/main/faq/premium-display.html
Verfasst am: 03.05.2021 [21:30]
rutger
Themenersteller
Dabei seit: 02.05.2021
Beiträge: 5
Hi Erik,

Thanks a lot for your prompt response! Attached a picture of the crank, with the cap and bolt removed. I'm affraid that's case 2?
I ordered a standard crank puller but that didn't fit (probably 22 mm is standard). Did not find a 24,75 mm version yet as you suggest.

I did disconnect and clean the connector in the steering tube, no luck yet.

Thanks again, Rutger
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Verfasst am: 03.05.2021 [21:48]
rutger
Themenersteller
Dabei seit: 02.05.2021
Beiträge: 5
PS: For motors I can find 24 mm (flywheel) pullers, not 24.75mm
Verfasst am: 03.05.2021 [22:53]
ErikHelwig
Beta Tester
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Hello rutger,

see

https://motortools.de/Aussengewinde-Abzieher-M2475-x-1-mm

Greetings from Austria

Erik



http://winterpokal.rennrad-news.de/images/user/52764.png?1642646
https://winterpokal.rennrad-news.de/images/team/236.png?1746796
11.11. 2000 bis 14.12. 2010 AX1; 14. 12. 2010 bis 3. 2. 2016 Ergo Race; ; 4. 2. 2016 bis 11. 3. 2016 Racer 8; 4. 2. 2016 bis 11. 3. 2016 Racer 8; Ab 15. 3. 2016 Racer S, ab 5.12. 2018 Racer S 2018
Letztes IPN Test-Ergebnis in KWT 2.x Sporttyp sehr hoch -> Wert 0,63.
http://help.kettlerworldtours.de/kettlerworldtours30/bedienung/tastatur-und-bedienpanelbelegung.html
https://www.kettlerworldtours.de/main/faq/premium-display.html
Verfasst am: 26.05.2021 [16:56]
rutger
Themenersteller
Dabei seit: 02.05.2021
Beiträge: 5
Hi Erik and others,

I managed to get a new printed circuit board installed with help from a local service partner (for other Dutch users: Productfit can still help Kettler customers in NL). The bike seems to work fine again! However, as the Racer S PCB was no longer available I got a PCB for the Racer RS. All works fine, except that my Kettler World Tour 2.0 software no longer recognizes the Kettler. See screenshot attached.

I tried resetting the Kettler (it goes dark for a minute after restarting), updating firmware (it's on 18.1), removed the Bluetooth device and removed the device from the KWT software. No luck adding it. The device works fine over Bluetooth using Rouvy so the hardware seems fine.

Any ideas? My KWT 3.0 trial expired so cannot try that version (only have a license for 2.0).

Thanks again!
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Verfasst am: 04.06.2021 [01:20]
ErikHelwig
Beta Tester
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50443 km
Dabei seit: 16.12.2009
Beiträge: 4828
Hello rutger,

Have you tried KWT 2.0.5.18?

https://www.kettlerworldtours.de/main/software-downloads/downloads.html

Greetings from Austria

Erik



http://winterpokal.rennrad-news.de/images/user/52764.png?1642646
https://winterpokal.rennrad-news.de/images/team/236.png?1746796
11.11. 2000 bis 14.12. 2010 AX1; 14. 12. 2010 bis 3. 2. 2016 Ergo Race; ; 4. 2. 2016 bis 11. 3. 2016 Racer 8; 4. 2. 2016 bis 11. 3. 2016 Racer 8; Ab 15. 3. 2016 Racer S, ab 5.12. 2018 Racer S 2018
Letztes IPN Test-Ergebnis in KWT 2.x Sporttyp sehr hoch -> Wert 0,63.
http://help.kettlerworldtours.de/kettlerworldtours30/bedienung/tastatur-und-bedienpanelbelegung.html
https://www.kettlerworldtours.de/main/faq/premium-display.html
Verfasst am: 04.06.2021 [11:57]
rutger
Themenersteller
Dabei seit: 02.05.2021
Beiträge: 5
Hi Erik,

Thanks for the suggestion, I was still running on version x.17. I updated to x.18 but I get the same result unfortunately. See screenshot for how the device is detected.
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