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09-24-2015, 07:41 PM
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#1
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Senior Member
Entegra Owners Club
Join Date: Aug 2013
Location: The Bluegrass State
Posts: 508
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Generator doesn't want to start, need ideas
Now I'm having generator woes again. It is not wanting to start most of the time. I have the QD 10,000. You hold down the start button, light blinks normally, you can hear the pre-heat fast ticking noise normally, but it won't even attempt to crank. Getting plenty of juice from the fully charged batteries, full of diesel, everything is normal. After about 5-25 tries, it will eventually crank normally and immediately start and run fine. My best guess is a relay is going bad, but I want to see if yall have any other ideas too? If it is a relay, how do I get to it? Anybody have the service manual handy for the QD 10K? Thanks!
jd
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2017 Dynamax Isata 5
2013 JKU toad
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09-24-2015, 08:31 PM
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#2
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Registered User
Join Date: Aug 2014
Posts: 608
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It will never crank til the IAT reaches temp so on a hot day or after it has ran it will start instantly on a cold day you may have to hold the start button for a min or longer til the intake heaters get up to temp. A simple way to speed the process up is hold it in the stop position after a few seconds the light comes on and the pump and intake heaters run. do this for about 45 seconds then hit start. It will however never make a crank attempt until it reaches Intake Air Temp or IAT this keeps you from wearing out your starter or killing your battery trying to start a cold engine.
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09-24-2015, 08:34 PM
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#3
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Senior Member
Entegra Owners Club
Join Date: Aug 2013
Location: The Bluegrass State
Posts: 508
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I'm familiar with what you're talking about, but this is not it. I've ran this genny in 100 degree weather and 20 degree weather, something is wrong now though. It shouldn't take 25 attempts to even attempt to crank over. Plus it has been warm here lately, not cold. And the problem occurs even if the engine is warm.
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2017 Dynamax Isata 5
2013 JKU toad
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09-24-2015, 08:41 PM
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#4
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Registered User
Join Date: Aug 2014
Posts: 608
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Then perhaps your IAT sensor is not reading which would throw a code I think 60seconds is the timeout point so hold it til it times out and see what code it throws.
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09-24-2015, 08:49 PM
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#5
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Senior Member
Entegra Owners Club
Join Date: Aug 2013
Location: The Bluegrass State
Posts: 508
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If I hold Start down long enough it will throw the code that says "Unable to detect cranking", meaning it, as do I, can tell its not cranking
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2017 Dynamax Isata 5
2013 JKU toad
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09-24-2015, 08:50 PM
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#6
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Senior Member
Entegra Owners Club
Join Date: Aug 2013
Location: The Bluegrass State
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Quote:
Originally Posted by 1mainiac
Then perhaps your IAT sensor is not reading which would throw a code I think 60seconds is the timeout point so hold it til it times out and see what code it throws.
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Would it throw some kind of IAT code if that was bad?
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2017 Dynamax Isata 5
2013 JKU toad
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09-24-2015, 08:54 PM
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#7
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Registered User
Join Date: Aug 2014
Posts: 608
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Yes it should have a code I don't have a manual in front of me so I am not sure if you can pull it up with the start stop sw.
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09-24-2015, 08:55 PM
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#8
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Senior Member
Entegra Owners Club
Join Date: Aug 2013
Location: The Bluegrass State
Posts: 508
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Its definitely not throwing a IAT code though.
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2017 Dynamax Isata 5
2013 JKU toad
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09-24-2015, 08:55 PM
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#9
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Registered User
Join Date: Aug 2014
Posts: 608
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Oh and IAT is a general purpose code ONAN may call it something else.
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09-24-2015, 09:47 PM
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#10
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Senior Member
Spartan Chassis
Join Date: Feb 2010
Location: Fort Worth
Posts: 1,591
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I've had good luck with Onan manuals and tech advice here:
Onan Generators - SmokStak
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2004 38DS04 Travel Supreme
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Spartan Mountain Master
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09-25-2015, 10:02 AM
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#11
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Senior Member
Join Date: May 2014
Location: Milford, Michigan
Posts: 1,115
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Our 13 Anthem gen acted the same way. Stopped by Cummins-Bridgeway and tech knew problem when he came out to get the keys. He replaced the "T2 relay" in a rather perfunctory manner so my guess is he had done it before. Coach was ready before we even ordered breakfast. The C-B in Grand Rapids Michigan has always been excellent to deal with.
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2013 ANTHEM RBQ
AL and Sally and Ava and Ivy
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09-29-2015, 07:43 PM
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#12
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Senior Member
Entegra Owners Club
Join Date: Aug 2013
Location: The Bluegrass State
Posts: 508
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Quote:
Originally Posted by jestal
Our 13 Anthem gen acted the same way. Stopped by Cummins-Bridgeway and tech knew problem when he came out to get the keys. He replaced the "T2 relay" in a rather perfunctory manner so my guess is he had done it before. Coach was ready before we even ordered breakfast. The C-B in Grand Rapids Michigan has always been excellent to deal with.
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OK I feel like I'm getting closer here as I highly suspect a relay as well. Unfortunately there is no one in my vicinity that could do the work, as the local Cummins-Onan shop did terrible, terrible work for me last time... I am happy to do it myself, just need to find the service manual.. Will try rag_ftw's link
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2017 Dynamax Isata 5
2013 JKU toad
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12-20-2015, 02:59 PM
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#13
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Senior Member
Join Date: Feb 2012
Location: Peoria IL
Posts: 2,085
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Did you ever find the problem with your generator. Mine is doing the same thing right now.
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2023 Ram 3500 H.O.
2020 DRV
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12-20-2015, 05:16 PM
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#14
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Member
Join Date: Oct 2015
Posts: 51
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I have a manual for the 12.5kw and that is what it is the relay for the starter solenoid. Got mine at local napa. T2 I do believe is correct. On mine there is 3 relays up where the access panel is for the line voltage out put connection.
Rick
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