The LT is Possessed - BMW Luxury Touring Community
 
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post #1 of 11 Old Oct 14th, 2008, 9:31 am Thread Starter
 
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The LT is Possessed

It's been awhile since I rode the bike since the desert has been hot. Anyway, I went got on the bike and the bike wouldn't turn over. So...I purchased a battery minder. The battery charged and then it still wouldn't turnover. So..I was about to give up and stuck the minder back on. A couple of hours later I tried the bike and it started right up. So...then I got on and I found that the ABS light was still blinking and the weird triangle light was blinking. So...I tried the bike and the brakes felt fine. So...I went for a ride and half way through the ride both lights went out. Now I'm wondering if there isn't something systemic wrong with the bike's electrical or maybe the bike is possessed.


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post #2 of 11 Old Oct 14th, 2008, 9:39 am
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Re: The LT is Possessed

Sounds like problems associated with a Low Battery. Once you rode for a while, the battery reached full charge causing the indicators to go out. From what I have read this is very common on the LT, it doesnt like a low battery.

I'm sure some more experienced folks will chime in, but I dont think it is anything to worry about.

HTH's

-Ekim
2005 K1200LT (R.I.P.)
Manchester, MD

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post #3 of 11 Old Oct 14th, 2008, 9:56 am
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Re: The LT is Possessed

If you haven't already, check your battery terminals - sounds like a loose ground. Don't just look or feel, take the cables off clean everything and reconnect.

John & Cathy
Northern CA
01 K1200LTC Basalt - Moose


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post #4 of 11 Old Oct 14th, 2008, 1:20 pm
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Re: The LT is Possessed

Vern.. how old is your battery? If it over a year old has "died", I recommend replacement... before you need a tow.

...............
J.M.J...
Dcn Channing

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post #5 of 11 Old Oct 14th, 2008, 1:29 pm
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Re: The LT is Possessed

Had something similar happen to me this morning - ABS light started flashing and wouldn't go out. Took it to Lone Star this morning and they found out the problem was a rat chewing on the wires of the AB sensor. Had to replace the connector.(no charge) Anybody got any spare rat poison?
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post #6 of 11 Old Oct 14th, 2008, 1:43 pm
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Re: The LT is Possessed

Quote:
Originally Posted by VernRuth
...then I got on and I found that the ABS light was still blinking and the weird triangle light was blinking.

I thought that the combination of warning lights flashing was indicative of brake Integrated brake issues (according to my owner's manual).

Ironically, for the past two days, my 2002 LT has had a similiarly eerie possession.

When I start the bike in the morning the normal ABS light blinks and goes out after the self test (2-3 mph). Then within a block the combination of two blinking warning lights that started this thread will come on.

I immediately stopped the bike and turned off the key. After waiting for 30 seconds, restart and drive away with no warning lights.

This has happened for two mornings now.

Brake fluids are fine. Battery is only 6 months old and I ride every day.

Exorcist?

Glenn
Virginia Beach VA and Washington DC

2006 K1200LT "Phoenix Helena": Dark Graphite (#946)
2005 K1200LT "Dolly": Dark Graphite (#946) - Totaled July 2011
2002 K1200LT "Helga"-totaled Apr 2009
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post #7 of 11 Old Oct 14th, 2008, 10:34 pm
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Re: The LT is Possessed

If you just purchased a battery tender (small unit), it likely didn't do much to charge a dead battery. These operate at a very low charge level, and some won't even turn on unless they see a minimum of 3V from the battery when hooked up (it's a safety feature, in case you accidentally touch the connectors or clamps to each other by accident).

The tender may not have done anything to the battery, but rather, the battery may have just summoned up enough residual charge to crank later. Chances are when you rode, the alternator had enough time to put a more substantial charge on the batt, thereby correcting the undervoltage condition.

Put the battery on a proper charger for 4-6 hours, and then run the tender to top it off. If the ABS issue persists, it may be time for a new battery, as the system is very sensitive to low-voltage at the initial power-on test.

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post #8 of 11 Old Oct 14th, 2008, 11:05 pm
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Re: The LT is Possessed

Quote:
Originally Posted by GlennM86
Brake fluids are fine.
Just fine? Or topped off all the way to the Max mark? The '02-'04 bikes are notoriously sensitive to brake fluid level in the two reservoirs under the seat. You can be well above the Min mark, but not up to the Max mark, and still have problems and flashing lights. Even the difference in level due to normal brake pad wear can cause this problem well before the pads are worn to their limits.

If you know your battery is good, I'd pull the seats and top off both brake fluid reservoirs. Be sure to use the proper DOT-4 fluid and nothing else.

Ken
Pacific NorthWet
'13 Dark Graphite Metallic K16GTLD, 24K miles
'09 Magnesium Beige Metallic K13GT, 63K miles
'03 Anthracite Metallic K12LTC, 66K miles
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BMWLT#143, IBA# 366, MOA# 111996, SCMA# 24032


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post #9 of 11 Old Oct 15th, 2008, 11:50 am
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Re: The LT is Possessed

I'm betting your battery has lost a cel or two. I would charge it fully and then put a load tester on it. If it can't hold it's charge under load it's toast and needs to be replaced. Just because it may indicate 13-14volts static doesn't mean squat.

It's extremely important to properly commission a new battery. Shucks, Ducati put out a TSB just on battery commissioning. Today's bikes are very demanding on the electrical system what with fuel delivery, fuel injection, ignition systems, ABS, farkles, etc. It doesn't take much of a battery loss to upset things. Do use the battery tender on a daily basis. I ride my Duc every day but plug it in every night. It takes no time to do so and will help give you extended service from your battery. Also, if your battery is not commissioned properly and/or properly maintained it can go bad in as little time as 6 months. And just 2 years life no matter how well maintained is not unheard of.

Of course it could be corroded grounds, gnawed wires, loose connections, failing altenator, failing rectifier....... But the battery is simple to check and RELATIVELY inexpensive to fix. (compared to replacing altenators, or chasing down shorts, grounds, wiring breaks)

Matt
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post #10 of 11 Old Oct 23rd, 2008, 11:15 am
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Re: The LT is Possessed

Quote:
Originally Posted by meese
Just fine? Or topped off all the way to the Max mark? The '02-'04 bikes are notoriously sensitive to brake fluid level in the two reservoirs under the seat. You can be well above the Min mark, but not up to the Max mark, and still have problems and flashing lights. Even the difference in level due to normal brake pad wear can cause this problem well before the pads are worn to their limits.

If you know your battery is good, I'd pull the seats and top off both brake fluid reservoirs. Be sure to use the proper DOT-4 fluid and nothing else.

Thanks for the reply. I will max the fluid to see if the flashing goes away.

Glenn
Virginia Beach VA and Washington DC

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2005 K1200LT "Dolly": Dark Graphite (#946) - Totaled July 2011
2002 K1200LT "Helga"-totaled Apr 2009
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post #11 of 11 Old Oct 23rd, 2008, 11:35 am
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Re: The LT is Possessed

don't know if your battery is a sealer or traditional lead/acid type, but if it is a traditional battery - i.e. one you can add distilled water to - given you've said that operating conditions in your area have been extremely hot - these types of electrical flakyness can just be a result of low electrolyte levels in the battery. given where the battery lives in the LT - behind engine, no cooling air - if you've been operating in extremely hot conditions electrolyte evaporation is a real issue.

'just sayin. ;-)

g.

***
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jefferson, maryland

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