FAILED YAMAHA EF1000IS GENERATOR

Submitted: Sunday, Oct 27, 2013 at 09:27
ThreadID: 104881 Views:2979 Replies:4 FollowUps:13
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I have the above where the inverter end has "blown up" -- the engine runs ok -- so I'm wondering if someone may have a similar unit where the reverse is the case -- i.e. -- the engine has failed but the generator end maybe ok -- perhaps we could do a deal -- like to hear from you. -- (my repairer says the price of new parts to fix is horrendous)
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Reply By: Ron N - Sunday, Oct 27, 2013 at 14:23

Sunday, Oct 27, 2013 at 14:23
Stevo - My long experience with machinery (nearly 45 yrs) tells me that if a particular model of machine blows up in one area, then all of the machines in that model blow up in the same area.
Just the same as particular vehicles have a fault in one part, all the vehicles you look at will have that same part failing, or failed.

I'd suggest you'll be waiting a long time to find a unit with a good genset end, and a blown motor.

http://www.epinions.com/review/Yamaha_EF1000_Generator/content_536938974852

I'd respectfully suggest the best and simplest course is to scrap the genset end and just sell the engine, and go buy another genset.
Little engines are always popular, they usually sell pretty rapidly.

Always remember that these complex little inverter gensets with a lot of electronics are very susceptible to dust - so ensure that when you position the unit for running, that it can't suck up dust via the cooling fan and distribute it through the electronics.

Cheers, Ron.
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Follow Up By: John and Regina M - Sunday, Oct 27, 2013 at 15:00

Sunday, Oct 27, 2013 at 15:00
And very susceptible to heat. Nothing destroys electronics faster then heat.

So when considering a replacement for anything that relies on electronics, consider cooling efficiencies involved. A very popular generator on the market at the moment is a little oven waiting to happen.
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Follow Up By: Dennis Ellery - Sunday, Oct 27, 2013 at 22:30

Sunday, Oct 27, 2013 at 22:30
John and Regina M - That’s a pretty vague and meaningless statement – how about being more specific?
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Follow Up By: John and Regina M - Sunday, Oct 27, 2013 at 23:38

Sunday, Oct 27, 2013 at 23:38
Which statement?
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Follow Up By: Dennis Ellery - Monday, Oct 28, 2013 at 11:49

Monday, Oct 28, 2013 at 11:49
A very popular generator on the market at the moment is a little oven waiting to happen
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Follow Up By: John and Regina M - Monday, Oct 28, 2013 at 15:21

Monday, Oct 28, 2013 at 15:21
No naming or shaming from me. It's a public forum so I'm a careful little vegemite when it comes to dumping on a brand in public.

So I guess those buying a generator will have to do their homework by piecing together all the clues.
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Follow Up By: Ross M - Monday, Oct 28, 2013 at 16:06

Monday, Oct 28, 2013 at 16:06
John & Val

Dennis and I are both missing pieces of the jigsaw which you dropped on the floor.
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Follow Up By: Dennis Ellery - Monday, Oct 28, 2013 at 16:22

Monday, Oct 28, 2013 at 16:22
Hi Ross,
I think you meant John and Regina.
John and Val make meaningful comments.
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Follow Up By: John and Regina M - Monday, Oct 28, 2013 at 21:39

Monday, Oct 28, 2013 at 21:39
You could use yr brains and pm me
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Follow Up By: Dennis Ellery - Monday, Oct 28, 2013 at 21:53

Monday, Oct 28, 2013 at 21:53
That’d be a change – me using my brains.
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Reply By: Ross M - Sunday, Oct 27, 2013 at 16:05

Sunday, Oct 27, 2013 at 16:05
stevo
An electronic enthusiast may be able to look and see if the inverter is totalled or it only has a component problem. Many are sealed in gunk and non accessible though.

A friends son, works at a Yamaha dealership and he said no one ever repairs them.
He is aware of a few which have done the inverter.

The engine design is an integral unit with the alternator section and isn't an engine on its own for using by others. Perhaps for a capable person it may be interesting/useful but for the average person they wouldn't know how to use it as it isn't like a universal stationary engine.
PS in hot climates where the ambient temp is high a LARGE computer fan running of the 12v battery charge section and adding air to the case air intake will help the heat/cooling of internals.
I agree with the other comment, the heat coming out of them is like a heatgun.

Cheers
Ross M
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Follow Up By: Dennis Ellery - Monday, Oct 28, 2013 at 12:20

Monday, Oct 28, 2013 at 12:20
Hi Ross,
I run an air-conditioner from a Yamaha 2.4kva enclosed in an all-weather aluminium box with no extra cooling fans.
Never had a problem in high ambient temperatures – I ensure the hot air discharge and exhaust is not restricted.
The Yamaha has temperature overload protection on its electronics and I have never tripped this.
Bearing in mind the ratings on these genset’s aren’t a continuous rating ie a 2KVA unit is about 1.6kva and a 2.4 is about 2kva continuous at full load.
If you size your genset conservatively you won't strike trouble.
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Reply By: MEMBER - Darian, SA - Sunday, Oct 27, 2013 at 17:46

Sunday, Oct 27, 2013 at 17:46
Modern technology ! So disappointing to have to ditch a good unit - I'll bet you can find a corner in the shed for it :-o).... agree re the heat comments above - I had a vapour lock in my EF1000iS at one stage, while using it on a very hot day - it has to be placed in the shade, on a hard surface as mentioned to avoid dust pickup and I take the back cover off to aid cooling - the plug hatch on the top can come off too. The aux fan idea would be my next move if extra cooling was required. Mine is about 8/9 years old but has had little work. I hope yours did provide a lot of power for your initial $ outlay.
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Follow Up By: Andrew D. - Sunday, Oct 27, 2013 at 18:11

Sunday, Oct 27, 2013 at 18:11
How old is the Yamaha?
Doesn't matter if older than 12 months unit is still covered by statuatory warranty for probably 4 years.
Approach Yamaha direct and state your case and if they don't come to the party go to Consumer Affairs in your state. The unit should be reliable for at least 4 years. 12 month warranty means jack shirt. Consumer Affairs statuatory warranty applies where goods have to be fit for purpose for respectable period of time. Offer to pay the labour which should be no more than $160.00. Will be the stator that is gone and is easy job to replace.
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Follow Up By: stevo - Monday, Oct 28, 2013 at 08:20

Monday, Oct 28, 2013 at 08:20
Thanks Andrew D. -------- Actually this one was just in warranty when failed but due to a very "slack" dealer, who sent it to their "also slack" authorized repairer where it sat for 6 months so the warranty ran out and the dealer has "wiped his hands" of it. ---- I will now follow your advice and contact Yamaha.
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Follow Up By: MEMBER - Darian, SA - Monday, Oct 28, 2013 at 09:53

Monday, Oct 28, 2013 at 09:53
Hell - as described, those events would have to see you expecting full support from Yamaha. As mentioned here and elsewhere many times, Consumer Affairs won't help until you have run out of options via your own formal negotiation with Yamaha. Keep correspondence - avoid phone calls.
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Reply By: Member - Scrubby (VIC) - Sunday, Oct 27, 2013 at 21:16

Sunday, Oct 27, 2013 at 21:16
G`day stevo,
I have an almost identical story except that my genny was a Honda EU10i.
The motor still starts first pull and runs perfectly.
There is no electricity produced if it switched on after the motor is started.
HOWEVER if a device, e.g.an electric drill, is connected and switched on PRIOR to starting the motor, then the drill will run when the motor is started but not at full power.
If you turn off the drill it wont start again unless the motor is stopped and then started again while the drill is on.
I haven`t had the power output measured to determine what I could, or could not, use the genny for now.
Honda Australia didn`t want to tell me anything, just suggested that I take it to a Honda service business. The service/retailer tested it and said that the Inverter was stuffed and quoted $1300 + time to repair it. They also suggested that I should buy a new one.
So I did buy a new genny, a Yammaha EF2000 from a different place for $1750.

Scrubby.
I don`t know where i`m going but i`m enjoying the journey.

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