Question about Yamaha EF3000iSEB Inverter Generator 3000 Watts with Boost Technology, 12 Volt DC Output EF-3000iSEB EF 3000iSEB EF3000iSE EF3000iS EF3000i EF3000

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Econo switch doesnt seem to work

Generator wont idle back runs in full throttle,

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5 Suggested Answers

6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
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Posted on Jan 02, 2017

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SOURCE: XVS 1100 idle

at sea level there is 14.7 psi of air pressure, the higher you go the thinner the air. thus, need more air and less fuel. adjuster your idle air screw mixture.

Posted on Dec 27, 2009

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sisadsl
  • 1508 Answers

SOURCE: idle problem.

The timing is factory set and doesnt change, does it have the idle screw? I assume the one you adjusted is the air mixture screw at 1.5, you shouldnt adjust with the cable as it might cause the engine to rev on full lock, it needs a small amount of freeplay

Posted on Apr 27, 2010

kel1guy2002
  • 3740 Answers

SOURCE: on my EF30ISEH generator. cold,

Hi and welcome to FixYa, I am Kelly
First off I am just trying to help you and not participating on the FixYa site for the money. I have been working on small engines and generators since the late 1960's.

This is usually caused by the speed limiter assy. (Not a cheap part)
SPEED LIMITER ASSY 7WL-85680-02-00
Item 22 this link:
http://www.boats.net/parts/search/Yamaha/Power%20Equipment/0/EF30ISEBH/CONTROL%20BOX/parts.html
The feedback wiper in the speed limiter is either dirty or worn. When you re-position the throttle arm the feedback wiper is making good contact again so it works normally. It appears that the feedback wiper in the speed control is not making good contact at full RPM so it does not drive the throttle linkage to idle.
If your careful dependng on the design of your speed control you just might be able to take the cover off and clean it up so the wiper makes contact. Wht ever you do DO NOT lift the wiper arm up. You will bend it and never be able to get it to function again. Just clean it. You can use sand paper but... be real careful.
If your speed control is 100 % electronic with only a small DC motor actuator you may have to see if you can clean the brushes and armature slip rings of the internal DC motor.
I have brought several speed controls back to life but it really is a major game of chance anytime you open one up. Just know that your stuck with a very expensive replacement cost for a speed control unit if you screw it up. ----
----It is not a bad thing to keep using your generator with a defective / improperly functioning speed control. As you know is just will not throttle down.
The part number listed above is for the original part number and has been superceded by another part number:
The ($60.00) service manual for this generator is available from Yamaha by PN: LIT-19616-CM-20
Anywhere else the manual is $80.00!

Thanks for choosing FixYa,
Kelly

Posted on Feb 02, 2011

rpihlblad
  • 1 Answer

SOURCE: i have a yamaha terrapro that idles fine and runs

Hey I was wondering if you ever figured your problem out I have same problem.

Posted on Sep 19, 2015

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by turning the auto operation off you are committing the gen set to full rpms regardless of the power requirement
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Throttle on generator question


The idle control switch allows the generator to go into idle when there is no demand form the appliances connected. This saves gas and increases the life of the generator. Damage can occur for some appliances like a refrigerator/freezer because the voltage and frequency are not prepared for the load resulting in a low voltage bad startup that will damage the appliance. Suggest that you leave the idle control switch off while any motor/electronic devices are connected.

The throttle control is likely a choke function for starting. These generators are designed for only one running speed to produce the necessary 60 cycles per second and voltage.
The following link is to a Canadian web site that later in the detail report describes the concern of idle control. In addition it provides good insight to the operation and use of portable generators

Hope this helps?
Understanding Portable Generators

The user manual see pages:
http://www.mikestools.com/download/Porter-Cable-Manuals/Porter-Cable-CTE300.pdf


bsv750-w-1_2-w1a2shtrwtekwxd2phwukf3t-4-0.png

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The timing is factory set and doesnt change, does it have the idle screw? I assume the one you adjusted is the air mixture screw at 1.5, you shouldnt adjust with the cable as it might cause the engine to rev on full lock, it needs a small amount of freeplay

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1 Answer

Automatic idle stays on when i use something instead of throttling up it stays idleing


4 Things can cause this, 3 of which are related.

1) Governor arm is binding, or has slipped on the governor shaft. Check and reset if needed.

2) The "Load Detection" is not working correctly. Either it is not able to sense a load, or it won't disengage the solenoid.

3) Solenoid which moves the governor (for lower speed) has stuck due to dirt and grime in the housing

4) The linkage on the solenoid is binding due to dirt and grime.

The Econo Mode / IdleMatic / Whatever is actually hard on your appliances and tools. Nothing electric likes to be subjected to a low voltage at the wrong frequency, then be forced to tolerate a sudden change in frequency and voltage. Personally, I would find the pin that holds the solenoid linkage to the governor, and remove it, allowing you to remove the linkage altogether. Disconnect the electrical connector the solenoid, and just use the generator at full and proper speed.

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This sounds like the idle control solenoid has become misadjusted. To check that this is the case, locate the throttle lever and follow it back towards the governor arm until you find the solenoid. Start the generator and switch on the idle control while watching the governor arm where it passes near the solenoid, if the arm snaps back and forth you probably have a bad adjustment. To readjust the solenoid loosen the jam nut on the core of the solenoid just enough that you can turn the core by the square bit on the end. Adjust the core 1/4 turn or so at a time until the governor arm stays in position when the idle control is on, then turn idle control off and make sure that the governor arm goes back to the full throttle position. You may have to fiddle with the adjustment a little until you find the right spot. Tighten the jam nut back down and you're good to go.

Carl

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