You can get the rare error for no obvious reason. There was a timing problem in a previous firmware version that occasionally caused my car to shut down moments after starting it. A firmware update cleaned that up.
About a week ago I had the VDS crash entirely when I unplugged and tried to start it. When it came back up it was showing far less range than it should have, but that went back to normal sometime after I parked it.
Maybe this is a coincidence, but I seem to get more gremlins when I charge at 70A.
Then only thing I've ever noticed about the fan in the back... after leaving the car in storage for about a month it was kinda growling a little bit at first. I assumed it had accumulated some crud or something, but it went back to normal.
How do you access the PEM fan; your comment seemed to suggest you could reach it from underneath?
below -10 C° I would expect a quite dry cold which wouldn't have any effect on the fan, but who knows ...
I'll get my new fan tomorrow and will change it on monday in the tire shop of my brother (actually he will do the job) I'll take some pictures and post them here in a new thread. But perhaps Eberhard is quicker than me ...
I just did more then 5000km within 16 days. Despite my fears, the blower is still working fine. Blue sky over bavaria. I just get my car recharged in Munic. When I arrive home, i will have made 700km on a single day.
On my way back home my fan stopped working, when I got into the rain again, but it was exciting driving, always have a look in the back mirror for trucks which want to pass me, switching the VDM from temperature to ideal miles (I started with a SOC just to the point of my travel distance, no reserve) and keep everything in balance. Kept me fresh and awake.
But I made it home without any bigger problems.
After recharging overnight I found the error ID-947, "shutdown system is to hot" on my display. That looks to me as if the fan is needed also during charging. I thought first it is only used to cool down the power semiconductors.
Some slaps with my hand to the rear underbody cover on the left side started the fan again. Thanks to the service manager in Munich, who suggested this.
I am confused.
I genuinely thought the PEM was liquid cooled (along with the battery), with the motor being air cooled.
thats how it starts until it has to be replaced. the slaps helps the blower to break free. the blower is also need for charging. if it doesn't start spinning, you will get this error-message. it happens to me too. the blower is only IP33.
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