Nope, never replaced the battery, but it was replaced by VM
about 1 year after installed (sent back to them for some repair work, including
the Leaning mode fix, which they never did get fixed).
Do you know if the details on this battery replacement are on
the LML? If so, I’ll check, otherwise do you know where/how? User servicecable?
Size?
Thanks,
Matt
From: Lancair Mailing
List [mailto:lml@lancaironline.net] On Behalf Of Bill N5ZQ
Sent: Monday, May 17, 2010 3:36 PM
To: lml@lancaironline.net
Subject: [LML] Re: Vision Microsystems VM 1000 problem
There is an internal battery in the VM1000 that needs to be
replaced periodically. VM says about every 7 years or so, I think. Have you
ever replaced this battery? If not, this would be the obvious first step.
N6ZQ IV under construction
-----Original Message-----
From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf
Of Matt Hapgood
Sent: Monday, May 17, 2010 11:31 AM
To: lml@lancaironline.net
Subject: [LML] Vision Microsystems VM 1000 problem
My VM1000 has always been a bit of problem, but now the problems
have increased and I need to resolve them. Any thoughts on any of these
issues? I’ve been flying the 360 since 2001 and I put the date the
problem started in parentheses):
1. Leaning
mode (never worked since day one). Pushing the button to go into the
leaning mode has never functioned. Just doesn’t do anything.
2. Amps
(February 2010). I’ve noticed the amp-meter bouncing around. It
used to be fairly steady in the 18-20 amps range, but now it is more like 16
for a while, then bounces to 26 or something. It’s not related to landing
lights, radio com, fuel transfer pumps, or any evident change in load.
The alternator (B&C) is about 6 years old and the belt is, according to the
A&P, okay but could stand to be a bit tighter. Voltage regulator is
B&C too.
3. AutoTrack
(March 2010). Just stopped working. Pushing the button for
AutoTrack now does nothing.
4. Fuel
Remaining (May 2010). Unable to add fuel to the tank. I can cycle to the
“add fuel” point and then push buttons to add 10 gal units or 1 gal units –
both register as “to be added”. But then when I push the button to cycle
out of the “Add” mode it doesn’t register the “add”. So it always
indicates zero fuel now and I can’t add any!!! I’ve tried all sorts of
amounts but nothing will work. It’s been like this for 4 flights now…
this is the straw that broke the camels back. I need to get this fixed
now. NOTE: I do still have a header tank gauge and separate
totalizers on each wing. I am NOT flying without knowing my fuel
quantity… this is just another check.
Any help would be appreciated, including tips on how to get in
touch with VM…
Thanks,
Matt