Author Topic: Tire sensors  (Read 1363 times)

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Offline Ken_Fader_ON

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Tire sensors
« on: June 24, 2009, 05:14:00 pm »
Has anyone had a problem with the presure sensors not working after you leave the c-14 in the sun. was 90+ degrees today and they fail to show all the way home  , about 19miles.  

Offline Fred_Harmon_TX

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Tire sensors
« Reply #1 on: June 24, 2009, 06:30:00 pm »
This is the first I have heard of it. But I do know that both heat and cold can affect Lithium batteries and cause them to exhibit a low voltage when first used, and then the voltage will slowly rise as the battery recovers.  
Fred H.


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Offline Rodney

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Tire sensors
« Reply #2 on: July 08, 2009, 07:28:00 am »
I am getting a new sensor in the front tire under warranty.  It did show low battery in the winter and would eventually recover, but now that it is warm it works well.  That is until I got a new tire.  Now it shows low battery for a while and again goes away after a bit.  The rear has always worked well.  
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Offline Cap'n Bob

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Tire sensors
« Reply #3 on: July 08, 2009, 12:21:00 pm »
Mine take longer to register when they are cooler. But they have so far worked well. I'm not looking forward to the price tag for replacing them when they die. That of course will be a few days after the warranty expires!    Bionic Bob  COG & AMA member  First C14 CDA member #0220  2008 C14 & 2003 Mean Streak  

Offline khancours

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Tire sensors
« Reply #4 on: July 17, 2009, 11:11:00 am »
I just bought mine a week ago and according to the shop have 2 defective sensors.  Said they've not ever seen 2 down at the same time straight from the factory.  Oh well, will cross my fingers that the 2 they have on order will work.  

Offline Fred_Harmon_TX

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Tire sensors
« Reply #5 on: July 18, 2009, 02:53:00 pm »
My guess as to why they are failing on brand new bikes, is because they have sat in shipping and in the showroom too long, and the batteries have built up a pretty substantial passivation layer on them.  
Fred H.


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