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I have the same issue, did you find a solution?

I don't use my generator that much, but I think wrapping teflon around the threads has a lot of promise.
Easily restored, it allows the cap to be cracked open without a lot of chance of closing by itself.
 

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Predator 3500 Digital Display Issue

For some reason my display on the front of the generator is not displaying that andy volts or amps are being produced or drawn... But I have multiple appliances plugged in and working perfectly... The display lights up and shows hours and the hour glass icon (indicating normal operation) but not reading/showing the draw or output for volts or amps.....?!?!? anyone ever come across this. I even took off the panel and made sure all the connections are good. All good and still looks new... It has 105 hours on it o far.
 

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I'm curious what the opinion is on the vented oil fill doors. Some folks insist that the negative pressure somehow cools the inverter. I'm having a hard time figuring that out - I get that the inverter electronics are near the intake underneath, but it seems like as long as there is still somewhat a vacuum that it should be fine with the vented door. Thoughts?
 

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all of the closed cased inverter gens are designed for a wind tunnel style inside...
with that said... it is a pain in the but some times!! lol!!
it messes with the air fuel ratio on the gens as the neg pressure inside the case where the air intake is messes with the carb air...
on an older I think it was 2002 or 2003 honda eu 1000 with the issue I had I cured this by making a hole in the side door to the intake air box hole that was there from the factory and then used good foam seal on the cover to the air box.
and did a grommet for an finale on the cover hole.
it looked real good when I was done.
and worked like a champ!!

they symptom for this change was it would run ok with the case side cover off but would lope and try to die with it on..
brand new carb so the carb was not the issue.
I did measure the neg pressure in the case there was way too much suction in the case...

so epa regs have something to do with this.. that clean burn issue.
they try to keep the engine and intake air as warm as they can..

most of the Hondas do not work right unless the covers are on and doors closed.
 

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Predator 3500 Digital Display Issue

For some reason my display on the front of the generator is not displaying that andy volts or amps are being produced or drawn... But I have multiple appliances plugged in and working perfectly... The display lights up and shows hours and the hour glass icon (indicating normal operation) but not reading/showing the draw or output for volts or amps.....?!?!? anyone ever come across this. I even took off the panel and made sure all the connections are good. All good and still looks new... It has 105 hours on it o far.
Did you find out the issue with your display?
 

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I have extensive experience cleaning and tuning the carb on the HF Predator 3500 if anyone has any questions.
Also, it has a stepper motor that controls the engine speeds under load and on ECO throttle etc. Same as the Honda Eu3000is
SO here is my problem. I bought the 3500 last spring and had to use it 4 or 5 times due to commercial power going out and also using it to provide light to a she. Easy Start and now problems. After the last time I used it in October, I filled it with gas and added the appropriate amount of Stabil. Due to an injury that limited my mobility, I didn't start it over the winter. Went to start it about 3 weeks ag. It cranks but doesn't start. Given that I treated the fuel ( and did the oil changes as required) any idea what the problem might be? I have good compression. When I tried to start it, it was still in the 40's outside. Now that it's warmed-up a bit, do yo think it may be more likely to start?
 

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well run down the check list first;
does it have gasoline in the fuel tank
did you turn on the fuel valve
check the fuel drain in the bottom of the carb bowl for water
does the gasoline flow well when the bowl is removed?
does it have spark a spark tester is good for this check.
tools are on this page
and ultra sonic pages are here if the carb is in bad shape and needs cleaned
 

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Thanks!
well run down the check list first;
does it have gasoline in the fuel tank
did you turn on the fuel valve
check the fuel drain in the bottom of the carb bowl for water
does the gasoline flow well when the bowl is removed?
does it have spark a spark tester is good for this check.
tools are on this page
and ultra sonic pages are here if the carb is in bad shape and needs cleaned
Thanks!
 
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