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Power Vision problem

11K views 30 replies 8 participants last post by  dronning 
#1 ·
I always keep the guage display screen pulled up. Every 5-10 min it goes blank. The boxes are still there but the numbers dissappear. If I hit back then guages it is back to normal for another 5-10 min. Contacted dynojet and they said it's something electrical interfering with the data cable. I have it run under the tank. Any suggestions? They are obviously not willing to help with the faulty product they sold me.
 
#2 ·
You said you have the cable run under the tank. Do you mean in the wire channel? If so, that's probably your problem, and it's a known issue.. Run the cable under the console on top of the tank. That will get it away from ignition, and other electrical noise.
 
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#4 ·
Thank you for posting this. Had similar issues and just lived with it. I don't use the PV all of the time so it was a minor annoyance, but this is good to know. My bet is that one will get a better autotune with the cable properly routed as well.
 
#3 ·
until you've done what they've suggested and ruled out electrical interference, you can't say that they aren't willing to 'help with the faulty product'.

if you want to verify that you actually have a power vision problem, then take your cable and run it differently. if it still acts up, then you have a problem. if not, then it is the way it is run.
 
#6 ·
I have the same problem. I run the cable in the cable tray under the fuel tank and then I run the cable above the fuel tank under the console, I even wrapped the cable with aluminium foil and nothing helped, the gauges still go blank. I got my PV from Fuel Moto and I talked to them and I also talked to Dyno Jet and they both have the same worthless answer, they all say I must be getting electrical interference and they say my bike is the problem not their product. Dyno Jet said that shielding the cable may help, so that's why I wrapped the cable with aluminium foil and grounded the foil to the frame. I asked Dyno Jet why they didn't make all the cables with a shield already in it but all I got was a "UH I DON'T KNOW" . :frown:
 
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#7 ·
I apologize. Not sure why I said under tank. I meant under the tank console. However, if electrical clearance is the issue they should have used better wire period. What if you purchased a tv and had static then I told you its too close to the DVD player? I also told them that I've had trouble with tuning. Seemed to run worse after doing 20+ tunes. (Not because of newby errors. I tuned a Bros bike with a PV and am full aware of the procedure).
 
#8 ·
After several emails back and forth with me expressing my dissatisfaction, they told me to send it in. Almost a month and I,m waiting to recive it back or an explanation or something...
 
#9 ·
Update: They could not duplicate the problem so I'm stuck with a faulty unit. I will not be using or recommending their products in the future.
 
#10 ·
do you know anyone who has a pv unit? if so, try trading with them for a bit and see if their unit works fine on your bike, and your unit acts up on theirs.

the pv display will work on any bike, it is just the tuning aspect that is locked out.

if they couldn't duplicate the issue, maybe it isn't a 'faulty' unit, but the way you have it installed.
 
#17 ·
I do have access to another unit to try. I haven't hooked it back up since getting it back but I will give that a try.
It's not the way I have it installed. I have the cable run on top of the tank. I have some tubing that is made for shielding wire on very high voltage stuff. that will eliminate any electrical interference that shouldn't be happening to begin with if the product was made right to begin with. Got to install some poly riser bushings saturday so maybe I'll get the PV hooked back up..
 
#18 ·
Mine worked at first but then started acting up after about a month. I hope you have better luck.:wink:
 
#12 ·
Back up any tunes you have and your factory tune and save it to your computer if you have not. Try a new cable if that does not stop it you are heading for a screen failure and once it goes you are screwed.
Been there done that.
It started just like you said. Then one day it would not come on. A week latter it did, that was the last time it worked. In my case Dynojet step up. It was out of warranty. I sent it in for an evaluation . They sent me a new one.
 
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#13 ·
You might check your battery terminals to make sure they are not loose and intermittently loosing power for a second affecting the PV. My battery cables were loose and my amp gauge would drop for a second then back to charging. My cables were loose enough to make a difference. Just a suggestion and not necessarily the problem.
 
#19 ·
I wish that was a possibility but I put a new battery on so I know they are tight.
 
#16 ·
Dynojet was great to me warrantied it after it was out of warranty. If they checked and found nothing you have like a connection issue, a bad cable or interference from some where. Not hard to check those things.
 
#21 ·
Mine is still under warranty but unfortunately it is useless in my case. I took a college level electronics course at work but Ill' listen to any suggestions on checking those things? I have ADD so I may have overlooked something.:smile:
 
#23 ·
I did answer in post 17.;) That could rule out if its the unit or not but I guess id have to exchange the unit and cable with him to know the whole story. I was planning to do that but at the same time, what's the point. I already had the cable mounted on top of the tank. Not sure how I could mount it any further away from the coils and plugs unless I hold it over my head going down the road.:smile:
 
#24 ·
sorry, didn't see that.

you wouldn't absolutely have to switch out cables and everything with him, in fact, if you don't that would really rule out if it were your cabling/routing. if his unit works fine in your setup, then you would absolutely know that your pv unit is malfunctioning. conversely, if your unit works fine in his setup, but acts up in yours, then you would know that it is the way the cabling is run....

if his acts up on your setup, then you could try switching cables next.

I think it would be too hard to read if you were holding it over your head while riding down the road :D
 
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#25 ·
I'll give it a try as soon as I get mine hooked back up. I've been working 7 days a week and haven't had the energy to do it. Now they are calling for snow tonight. :frown:
 
#26 ·
First I tried wrapping the cable with tubing I use at work that is used to prevent electrical clearance problems on wires with 440 volts running through them. That didn't help so I had a brother hook my unit to his cable on his bike and he had no problems with my unit cutting out. I assume at this point that the cable is faulty. I have e-mailed Dynojet and am awaiting reply. I will update when I hear something back.
 
#27 ·
2 emails and a phone call and I finally got a reply from DynoJet. They basicall told me it had to be something on my bike causing it since they could not duplicate the problem when I sent it in. I will not be giving them any more business.
 
#28 ·
Sorry you are having problems, I have to agree with them, the cable tested OK for them and your testing hasn't eliminated the bike. It wouldn't be the first time a motor vehicle came from the factory with an electrical leak. In the old days we would use a transistor radio to isolate coil or wire leaks. Now electrical leaks are much more subtle and even if you disassemble the cable and pull it through stainless braid and put the ends back on you are not assured in blocking the noise, it could even be going through metal parts in your bike.

Have you done anything to the sound system?

- Dave
 
#30 ·
I ordered a new cable through fuel moto for 34.00 with shipping. After a couple long rides including 3 hrs straight yesterday, the screen did not cut out one time. I also did a couple auto tunes thinking the original cable may have prevented good tunes before. The bikes runs much better now as well. I have emailed dynojet to let them know and I'm awaiting to see how they handle it. So much for the extensive testing they supposedly did.
 
#31 · (Edited)
Glad you got her fixed!
Just goes to show you you cannot always recreate problems on the bench. We had fuel injectors that flowed and tested perfectly on the bench but gave us problems in the car. We knew it was a fuel issue but after testing everything we found nothing. So we decided, even though they tested OK, to replace the fuel pump and pressure regulator, no luck. We checked recirculating lines for blockage, nothing. Had to be the injector wiring loom but we had pulled, prodded, tested voltage on that MFer and didn't find anything wrong. Installed new loom still had the problem. Magically the issue went away when we put in all new matched of injectors set even though, on the bench, the old ones had passed electrical tests and they were also perfectly matched for flow. Made no sense whatsoever.
- Dave
 
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