Yanmar Hour meter repair, LCD display marine
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- เผยแพร่เมื่อ 17 ก.ย. 2024
- watch my latest repair update video here • Yanmar Hour meter repa...
How to repair the hour meter on a digital Yanmar hour meter, that is inside of the tach. This is specifically for a marine Yanmar 4JH4AE but also applies to other Yanmar Diesels and Volvo Pentas with a VDO LCD screen.
Update, Since posting this video, at some point the hour meter stopped working again, after inspection I noticed that the LCD screen's ribbon had failed with a crack.
I ordered a replacement LCD screen for £19.99 from them at www.akspeedo.co...
They shipped it from the UK to Canada for me, and I was able to install it with no issues in under 30 minutes.
• Yanmar Hour meter repa...
Full Disclosure, I have no position or affiliation with AKSPEEDO.com I just want to share the next option if this simple repair does not work.
This work was completed SV Breakaway, a Dufour 39 FRERS. You can see this and other work at svbreakaway
![HIWWHEE | OHM [Official MV]](http://i.ytimg.com/vi/OJJLtTLqLag/mqdefault.jpg)
Thank you Lucas. Your method worked for me also. If you plug it in after your initial cleaning and it doesn't work....go back and clean some more. Eventually your display will come back to life.
Hi Lucas, thanks for the video it worked great for me. When I first reconnected it didn't work and today I started up the boat and there it was clear as day, this hasn't worked for at least the past 5 years. Cheers again matey. 👍
Thank you so much for sharing. Just did this procedure on mine and it worked! Still thinking about installing a mechanical hour meter, just in case this doesn't last.
Have to admit I was a bit skeptical but our symptoms match perfectly so I gave it a try. Worked like a champ! Thanks for sharing.
How did you unplug the harness from the hour meter? It does not seem to want to unplug
@@rcraraces5928 I kept trying to unplug the individual wires and could budge a single one. The entire block unplugs!
@@gjmcc1015 thanks for the quick reply! We were trying to pull the whole plug but that was a challenge too. Did you just pull it out by hand or did you use pliers on the two short sides, or the long side? Any thoughts?
@@rcraraces5928 I used a pair of channel locks on the long sides and gently rocked it a bit while pulling
@@gjmcc1015 Thanks again - I was able to get the plug out by rocking it out with a screwdriver.
Thanks for the video. It fixed mine.
Just be careful getting the lense off i put a few tiny cracks in it where i dug the pick in.
Thank you for sharing! Really helped me on my boat Yanmar.
Vassilis Kefalas that's excellent, I am glad it helped!
WOW this worked like a charm! Thank you so much!
Worked like a charm thanks a lot
Thank you for this post ....IT WORKED
Your instructions were great! As the previous two people, when I tested for voltage my system read 7 volts then after doing the procedure my hour meter still did not work. Is 6 or 7 volts the normal voltage for this circuit?
Hola buen dia soy daniel de argentina ,donde puedo comprar el display de ese tacometro ,no lo consigo ,se despego del vidrio la pista y no se puede arregler ,espero contestacion gracias.
mira este video mio nuevo. th-cam.com/video/u_2qt6MuWGk/w-d-xo.html para comprar, intenta www.akspeedo.com/vdo-lcd-repair.php
Good job 👏
Thank you! make sure to check the newer video of this repair! th-cam.com/video/u_2qt6MuWGk/w-d-xo.html
Thanks for sharing your fix. I have a 3JH4E with the exact same panel as you. Losing the display numbers was an intermittent probable for me that got worse to where I lost the numbers permanently last September. I tried your fix and it worked great. Numbers back, nice and distinct but only for a week, then no numbers again. I was wondering if you ran into this or have any idea as to what would make the fix more permanent. I am trying to avoid adding a mechanical meter as there is not much extra room in my panel. Thanks again for your help.
Hi Dale sorry for the late reply. inspect the ribbon, for cracks or damage. I have seen this issue before, I believe you can purchase a new LCD screen that comes with a ribbon from Akspeedo. You will keep your hours etc, their video and links are here th-cam.com/video/7IpqaKi7hY4/w-d-xo.html
Hi Lucas, I have the problem where I have light but not digit read out. I’ve tried unscrewing the instrument panel but screws keep turning so does the instrument panels have nuts on the back. I don’t have easy access to the rear of the panel so can’t tell
Hi Michael, I would have to see what your set up is.
Thank you very much for sharing! I have not taken ours apart but I wonder if the flat-ribbon connections where it plugs into the main circuit board could also get dirty / corroded. Have you inspectes yours?
Do you need to put silicone on to keep moisture out?
I would not bother. Even when replacing the LCD screen which I did recently, (do to a cracked ribbon) the new kit does not suggest to add anything. I will see how long it lasts. (details in the description of this video.
What is the trick to unplugging the white wiring harness?
Hey Marcel, watch this video, it should save the time stamp if not 4:00 th-cam.com/video/7IpqaKi7hY4/w-d-xo.html
Now what's wrong with your PSI screen glass... next video fix.?
Good eye, that one is on the list.
Do I understand this correctly when I say that its only a light sensor that needs to be cleaned if I'm lucky? No need to change the LCD display?
Possibly. The other result that happens offten, is that the ribbon is dried out, and cracks. sometimes it is hard to see it. If this happens you need a new LCD screen. (with a ribbon.)
Lucas, Are the hours stored on the meter or elsewhere? Am a correct that the hours run from the time the display died are or may be gone or will it show total hours. I ask because I am interested in buying a boat that has unkown engine hours due to this meter.
Hey sorry for the late response. The hours are stored on a chip in the motherboard. The total hours will display once the screen is replaced or repaired. I have another video coming out of the LCD replacement. I just need to finish editing it.
here is the new video! th-cam.com/video/u_2qt6MuWGk/w-d-xo.html
Dear, how do I repair the b-panel yanmar buzzer? Thank
Is this only for displays that are " on" but have no numbers showing?
It should cover most problems as long as the screen is getting voltage from the alternator to tell it the motor is running.
Hi, Appreciate if you c
an you tell part no and where I can buy the digital display? Thank you
Hello Bergil, it is all listed in the description. I have a new tutorial video I will share soon. Here is the link of the LCD screen I purhased recently and was shipped to Canada. www.akspeedo.com/vdo-lcd-repair.php
Sadly this didnt work in my case. I have just over 6 volts on the orange wire.
When I check the voltage on the orange wire, I have 7 volts? is this normal?
Yes. I believe it should be between 5 and 9 volts. Measure on the AC circuit -- as it is unrectified signal from the alternator.
So we got the tach out, opened it and it had a hard compound around the plug for the LCD. Any advice to remove this? We are original owners so this is from the factory. Separately, we cleaned the dialectic gel, put it back together. Now the tach reads about 1000 RPMs high. GRRRR! Advice please!
Oh yeah, no hours reading but the light is on, double grrrr
Hi, I don't completely follow regarding the hard compound on the plug, where are you referring to? The fix I am suggesting does not effect the RPMS, make sure that the needle is zeroed when off? Maybe you moved it when doing the repair. the needle threads right off and can be removed.
@@lucasspaniard8430 thanks for the reply! I wish I could attach a picture but imagine where the LCD ribbon connects to the motherboard it has a hard dry joint compound. We also messaged a boat owners group, a couple of folks have followed your method with great success. On other boat owner had the same issue as us where this compound has been used to seal the ribbon and connector to the motherboard. Separately, concerning the tach we did zero it out again and it still behaves the same way, where when engine is on the RPMS read high and then does not zero out when the engine is off
@@lucasspaniard8430 Ok I created a small video and posted it so you can see what I am talking about. th-cam.com/video/lhPDYP9Ba4Y/w-d-xo.html
@@rcraraces5928 sounds like your tach needle is not actually zeroed. If it returned to zero once the engine is off I would suggest you may have another issue. But since it doesn't I will guess that it is not actually zeroed. Should be easy to figure out the amount to move the needle since you know your regular idle rpms and where they are now.
Does this work for
Absolutely. It also works for