K2 shuts down instantly, then next day normal

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DesertBike

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The car dashcam is also dual-channel (Viofo A129 Duo). So it's the best test I can arrange.

Received the new K2 power supply. No chance to install it yet. Swapping the power supply is not trivial, due to Innovv's decision to furnish only bare wire ends.
 
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DesertBike

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Got the new power supply wired in. Only been on a handful of rides with it, but so far so good.
 
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DesertBike

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Plenty of riding between last update and now, power supply is still working.

I've left it taped to the outside of the frame. Seems super unlikely that would have anything to do with anything, but who knows.

I'll leave it there for another couple of months just for giggles. It's supposed to be fully weatherproof after all, so should be fine. Just doesn't look that great.
 
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DesertBike

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This is the placement I ended up with. Didn't want to take the chance that the power supply would malfunction again, should I place it inside the frame.

I did turn the power supply around. Originally, I had the wires exiting downward. The position shown allows more slack on all the wires. They are fully sealed at the junction with the case, so water intrusion shouldn't be a problem.

The black tape is self-amalgamating silicone. No adhesive left on the frame or power supply, if I need to remove the tape. Can be moved to see the frame label, if required.

With this placement, I can still see the blue LED if I look from the right way. It's actually easier to see in daylight than before, because it's shaded by the silicone tape.
 
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DesertBike

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Nope, even this setup doesn't work 100%. It's been fine since that post in late February...until a few days ago, when the stupid piece of junk shut down for absolutely no reason during a ride.

As before, it wouldn't stay on long enough to do anything, even when manually activated. Stayed that way until well after I got home.

When I pulled the SD card, I found several <50 MB, unplayable video files.

I suspect the DVR gets overheated and shuts down without warning. Even when it's not particularly hot out. I don't know how else to explain these shutdowns, since it's only started happening again with warmer weather.

Either that or I have a third bad power supply.

I asked Innovv whether the DVR will overheat & shut down, & how to tell whether it's about to, but they haven't answered yet.
 
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DesertBike

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To still have these unreliability problems most of a year later is absolutely infuriating. I am ready to get rid of this K2 and try the Thinkware M1 motorcycle dashcam. Need to read some reviews first.
 
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jokiin

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Nope, even this setup doesn't work 100%. It's been fine since that post in late February...until a few days ago, when the stupid piece of junk shut down for absolutely no reason during a ride.

As before, it wouldn't stay on long enough to do anything, even when manually activated. Stayed that way until well after I got home.

When I pulled the SD card, I found several <50 MB, unplayable video files.

I suspect the DVR gets overheated and shuts down without warning. Even when it's not particularly hot out. I don't know how else to explain these shutdowns, since it's only started happening again with warmer weather.

Either that or I have a third bad power supply.

I asked Innovv whether the DVR will overheat & shut down, & how to tell whether it's about to, but they haven't answered yet.
from your symptoms I would look at a possible memory card issue, what card do you use, how often do you format the card?

@OCD Tronic can follow up with @RockThinking and see if anything else to check
 

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Long time since i have seen RockThinking around, hope he is well out there.
 

kamkar1

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if you click his latest activity it say "The news feed is currently empty. " but maybe just cuz he is looking and not posting.
 

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I've seen a suspect memory card cause similar quirky issues. The cards pass all computer tests but still have some underlying issues.
I would test with another card. K2 has been very reliable and solid since updating the power supplies and the latest firmware.
Make sure you're on the latest firmware 0.67
 
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DesertBike

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I use a Samsung High Endurance 128 GB card, formatted about once a month, just whenever I want to pull the card to view videos. Recently I've been formatting it about once a week as I try to troubleshoot this latest powering-off issue.

This is the exact same type SD card I use in my other dashcam, a Viofo A129, and have done for nearly a year without issue in that device. I treat it about the same way - pull the card to verify proper recording, and format before putting it back in the dashcam - once a month or so.

Yes, I checked both after purchase to verify their performance. They came in genuine packaging, and passed h2testw testing. No reason to think either is counterfeit.

I do have an older, 16 GB Sandisk Ultra card (U1 speed) that I use for loading firmware updates on both dashcams. Tell you what, I'll format it and use it for recording for the next week or so, just to see if the K2 behaves differently.

Meanwhile, here's some more data from yesterday's riding, with the usual 128 GB Samsung SD card:

One trip was less than 5 minutes. K2 started up and recorded normally the entire time. K2's WiFi was connected to my phone as usual.

About 2 hours later, I took a longer ride. This is where it gets weird. FWIW, I use 3-minute clips.

The K2 powered up and began recording at 18:04:42. From the video it looks like this is when I turned the bike's key on, in my friend's garage. But it only recorded for 1 minute 24 seconds. This clip has a "wrench" flag in Dashcam Viewer, which says "Bad GPS time value detected in at least one point. Applying a fix."

Meanwhile the K2 was connected to my phone's WiFi, so I assumed was recording normally. Nope. It didn't record the following 30 minutes or so.

The next video clip is timestamped 18:42:22, is abnormally small (36 MB) and is unplayable.

The one after that is timestamped 18:55:42, and is normal, with correct timestamp and filesize. Plays fine.

Same story for the next clip (18:58:43).

Though I was out riding for the entire period from around 18:00 to 19:30, there are only 2 more clips after that.

One is timestamped 19:01:43 and is almost the size of a full 3-minute clip (~300 MB), but is unplayable.

The next one is stamped 19:04:27. Small file (~20 MB), unplayable.

Nothing after that.

While I was out, I noticed that the K2's WiFi was no longer connected, some time around probably 18:30. I stopped and looked - the K2 was powered off. No activity LEDs, no WiFi connection. Tried to turn it back on - same thing as I've seen previously, where it would start to power up but wouldn't stay on. Gave up, rode home. Pulled over after I got off the highway, again manually turned the K2 back on (using the silver button). That was around 19:00. It is now clear that though the K2 looked like it was working normally after that, and until I parked at home, it was either recording corrupted files or not recording at all.

So there are actually 2 things going on here:

--The K2 can be connected to WiFi, and appear to be working normally, but either not recording at all, or recording unplayable, corrupted video files.

--The K2 will also shut itself off and then refuse to stay on when manually turned back on, seemingly at random. I thought it may have had something to do with heat the last 2 times, but now I'm not so sure.

WTF.

I did order a new Sandisk High Endurance 256 GB SD card. I had been planning a storage upgrade anyway. Meanwhile I suppose I'll run the existing, 128 GB Samsung card through some tests.

BTW, the picture below shows where the K2 DVR is installed on my Vstrom. You are looking at the inside of the right side fairing, from the left side of the forks, K2 DVR is at upper left. It is stuck to the plastic with some Velcro. There is a big vent at the front of the fairing (to left of picture) so the DVR should receive plenty of airflow when moving at any speed. I can't imagine how it could be overheating here, if it is designed to work when under a seat (where it would get much much less air).

 
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