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Speedo/odo unit battery dead - again

Joined Jun 2009
654 Posts | 1+
Seattle
After a month or two of riding the bike new, it started to reset the 24 hour clock to zero. Then it started to display the error code for replacing the battery (rb 026 or something like that IIRC). So I replaced it with a new fresh battery figuring the battery maybe went stale while sitting in some parts bin or something.

PRoblem is, now, just a couple of months later, it is doing the same thing again.

Come on! The battery should last longer than that. I rarely use the speedo/odo when the bike is not running, so all the battery has to do is keep the internal clock going right? Doesn't the unit switch over to bike battery power when the bike is running and not have to use the coin battery?

Or is my unit flakey?

Otherwise it keeps all the other permanent info correctly - the total hours run, the total miles, etc. - but it loses the current time. Not a big deal, but I am thinking this will also affect some of the other settings - like lap time/distance if I ever figure out how to use them and it is frustrating.
 
CodeMonkey said:
Doesn't the unit switch over to bike battery power when the bike is running and not have to use the coin battery?

Or is my unit flakey?

Otherwise it keeps all the other permanent info correctly - the total hours run, the total miles, etc. - but it loses the current time.

Hi Codemonkey, I have had my bike since Feb 2010 and it has not lost the time. There is power from Fuse 4 to the Speedo (Blue/Yellow Wire) and Brown (Earth), so at a guess you would think the speedo would start to use the bikes battery once the Power Relay has switched on.
 
Hey codemonkey mine does it once in a while as well but I only replaced the battery once, it will only do it one time and then its right for a month or two. Last time it happened was in the middle of a ride, I switched the bike off to wait for the others for maybe 30 seconds, started it and it happened. I'm pretty sure its the same unit as was on my 08 550 and even with a new battery it wouldnt work while the bike was staionary, when it did work it was only the odo and hour meter that worked.
 

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