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Yes, I agree, posting data and videos/photos is really useful.

A little further from CSA's reply 1) One of the main causes of high spreads are faulty fuel nozzles, usually the liquid tip being clogged or distorted. When the machine is started the spread will increase as the load increases as the uneven flow from the defective nozzle has more and more...

I think you are stressing a bit too much on the difference between hot vs cold starts and the results. I've seen machines which can break away without the ratchet operating, it's pretty marginal on a diesel start. I am guessing that this is a 600 HP Detroit not a 500 HP Cummins diesel? On your...

The only other thing that I can see, other than what CSA has said, is a clutch problem. In two places you have mentioned clutch problems. If the clutch is not releasing on start and staying in, maybe that is what you mean by diesel overshoot? Remember, the clutch should drop out when the turbine...

Well, the last time I talked to them, they were going to go back to a previous software version, I haven't heard what happened. Maybe they can give us an update.

There is a lot of data here to study but my first thought is to look at the DLN modes that the machine is in between the 2 sets of data. How are you shutting the machine down, manually or Automatically? What I mean is are you reducing the load manually and then opening the breaker and shutting...

And you didn't get any Alarm?

We really do try and help people solve problems on Control.com but one thing we always need is information. Even a magician couldn't diagnose this problem for you. You must have some kind of information, I know you said no Alarms but something caused the turbine to shutdown. Some questions...

Yes it does, you missed this bit in CSA's answer "When CPD (or CPR for newer units) exceeds TTKn_C, or TTKC_[n], the exhaust temperature value begins to decrease from TTKn_I (TTKI_[n]). So, for all operating conditions up to TTK0_C, or TTKC_[0], the maximum allowable exhaust temperature will...

Hi CSA, the whole problem revolves around FSRACCEL taking control of FSR around 85% HP speed and becoming the minimum value. The HP eventually settles around 92% speed and hangs there. We have pretty well come to this conclusion by studying a few start-ups from the trouble machine vs it's...

Natgasman has sent me a lot of data directly and I have made some comments. They have made some checks yesterday and were going to re-start the machine. Sometimes it's difficult to post all of this big data to control.com for everyone to see. What I will do is try to summarize the whole...

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No, I don't think that anything else needs to be checked before you get some data. Please be sure to give us LP speed data, that could be the problem

What Speedtronic is this? MKV? When you are at 93% speed, what is controlling FSR, Startup,Speed, Temperature? Can you show a Startup curve or data showing Speed (HP & LP),FSR and Temp. during Startup, this would really help. When did this problem start? Any maintenance done? Any changes made?

Just to help a little, are there any Diagnostic Alarms?

Check the manuals again! First thing you should do before creating a signal name is check the UNITDATA file to make sure the new name is unique. Sure, you can lean a lot from the forum, but you really can learn a lot more from the manuals. See Application Manual Sect. 8 for more detail

Check out your software but it will normally unload the machine and open the breaker.

I think that you are a bit confused about how MKV works. CSP.PRN is a utility that prints the CSP as it is. If you modify the CSP then you can print the new CSP using CSP.PRN (you don't need to anything to the PRN file). So you do the mod to the CSP (add input,etc) and the CSP.PRN will reflect...

Try the below from the MKV Application manual, do you have this manual? A section of the I/O assignment file showing several contact inputs is shown as follows. ;HDW NAME SIGNAL SCALE ;COMMENTS Q_QD1_CI04 L63HG1L CIM_I ; Q1 TCDA/DTBA- 7 Q_QD1_CI05 Q_QD1_CI05 CIM ; Q1 TCDA/DTBA- 9...

Can you give us a reading for +125VDC and -125VDC to ground. You are maybe just on the borderline of tripping the alarm. Try it with and without the suspicious cable connected.