562xp Hesitation Question

Arborist Forum

Help Support Arborist Forum:

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
Current report: Thankfully the saw wasn't truly malfunctioning. I didn't realize that from time-to-time, when you experienced a major temp/climactic conditions change, that you still needed to run the saw WOT/NO-LOAD for a bit to make the computer reset itself. My normal dealer had no equipment or training to deal with it (o_O) so I drove an additional 20 miles out of my way to go to another which had both. They offered to diagnose it after asking all of the usual questions and me being honest about it's run-time, usage, fuel, etc. They then asked if I had run it WOT since the weather change and, well, no. They took it outside, cranked it up and immediately ran it WOT for about a minute (I still can't believe that it's ok to do that to a cold engine of any kind) and then it was back to it's usual Tree-hating self. Problem fixed for now!:clap: We'll see tomorrow when I use it for 2 cords worth (I think) of fresh Hedge. Either way, I was disappointed in my normal dealer, but the other was great and very prompt. They may be my NEW Husky dealer as there still may be a 395xp in my future if the new MS661 creamsickle doesn't win me over. Thank you everyone for the posts and Moody, I am bookmarking that video!
 
It's my understanding that the computer only controls a High speed needle on that system. Anybody know if that is correct?

If so, an off idle problem on the Low speed circuit wouldn't be fixed by running the saw at WOT.

Keep us advised of what is happening. If the problem comes back it may be the tank vent.

What may have happened with the WOT run was the tank pressure was altered by the consumption of fuel.

Perhaps one of those vented green gas caps could be a diagnostic aide at times like this. Simply put on the green cap and see if the problem is fixed.
 
It's my understanding that the computer only controls a High speed needle on that system. Anybody know if that is correct?

If so, an off idle problem on the Low speed circuit wouldn't be fixed by running the saw at WOT.

Keep us advised of what is happening. If the problem comes back it may be the tank vent.

What may have happened with the WOT run was the tank pressure was altered by the consumption of fuel.

Perhaps one of those vented green gas caps could be a diagnostic aide at times like this. Simply put on the green cap and see if the problem is fixed.

I wasn't sure about the L side, but being as there is no adjustment for either, I would have to assume that it does. I could be wrong. It could well be the vent, but I don't possess a green cp to try that. I may have to procure one if this continues.
 
So 1 minute WOT at no load is the correct procedure to reset the computer? Seems a bit hard on things...

My new one has this issue, unfortunately my Husky guru is home in bed with a wicked cold......So here I am.
 
So 1 minute WOT at no load is the correct procedure to reset the computer? Seems a bit hard on things...

My new one has this issue, unfortunately my Husky guru is home in bed with a wicked cold......So here I am.
It much prefers to re-learn itself under load, buried in wood in excess of a couple of minutes.

For anybody considering the purchase of an AT saw...............find a dealer that has the reader and understands how the system works.
 
I unscrewed the cap on mine and it did the same thing so im guessing its not the tank vent:(
 
It much prefers to re-learn itself under load, buried in wood in excess of a couple of minutes.

For anybody considering the purchase of an AT saw...............find a dealer that has the reader and understands how the system works.

Thanks, that was the way I understood it to work previously......Got a good dealer with a reader (with a bad cold and not at work, unfortunately)
 
Wouldn't have been too happy if he had taken my saw and ran it at wot no load for a minute..

Just sayin'.....

I thought you were supposed to make 5 cuts or so under load to reset them anyways?


Sent from my iPhone 5 using Tapatalk
 
I thought you were supposed to make 5 cuts or so under load to reset them anyways?
Right from the manual:

Engine adjustment
The following steps should be taken when the chain saw is started for the first time or when outside circumstances change (fuel, altitude, air filter etc.): Start the engine. Accelerate the engine to full throttle and saw a number of cuts in a thick log (3-5 min.). The chain saw must be run (8,000 - 12,000 rpm) the entire time so that the carburettor can adjust itself.
 
Well it was abut the same today. Sometimes the response was perfect, but more than a few times it fell on it's face for a brief period, then came back and ran out properly. We'll see.
 
Had a 562 that would fall on its face all the time. Ended up being the crank seal was torn, because it threw a bearing.

Not saying this is your case. But that bad things can happen. Doesn't take long.

How long have you owned it? Under warranty?
 
Does the 562 have a hidden L needle like the 550 does?
Same design. The pop off pressure is just ridiculous on these and causes issues. If it's under warranty don't tamper with it. Take it back tell them it still stumbles. If they won't fix it ccontact mweba
 

Latest posts

Back
Top