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Publication Title | Model C30 HEV Software Version 2.07 Release Notes

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Text | Model C30 HEV Software Version 2.07 Release Notes | 001


Capstone Turbine Corporation • 21211 Nordhoff Street • Chatsworth • CA 91311 • USA Telephone: (818) 734-5300 • Facsimile: (818) 734-5320 • Website:

Service Bulletin SB0054

Date: From: Subject:


All Capstone Model C30 HEV MicroTurbine Systems.


The Version 2.07 software is released to support the Model C30 HEV MicroTurbine systems. This version supports both the Natural Gas systems as well as the liquid fuel systems. This release offers the following major upgrades:

1. Liquid Fuel Systems

a) Added an injector-flush state during which air is blown through each line individually. This assures that no fuel is left in the lines after the purge is complete.

b) The DSP software will test for a Clogged Injector during the Line Fill process. The relevant fault numbers if the system does not pass the clog test are 16018, 16019, and 16020.

c) Injector #2 clogged fault (16019 LF INJ2 CLGD) or Injector #3 clogged fault (16020 LF INJ3 CLGD) are treated as warning faults and the system is allowed to run with the good injectors. However, if both injectors #2 and #3 are clogged (16021 LF MULTI INJ CLGD), or if Injector #1 is clogged (16018 LF INJ1 CLGD), the system will always transition to the Fault state.

d) Decreased the default time for Clog Check Delay to avoid erroneous clogged injector faults.

e) Cold start logic has been added to avoid over pressurizing the fuel system under cold ambient conditions.

f) After a switch from 1-injector state to 3-injector state or vice-versa, switch back to the previous state is now delayed by a few seconds. This may help avoid inadvertent switch back and forth between the two states, in case there is a significant power fluctuation during the switch.

g) Added a timeout to report a fatal Fail-to-Light fault if the LFC for the enhanced liquid fuel systems is not ready within 60 seconds of transitioning into Lightoff state.

h) If the LFC DSP reports “LF STRTAIR SOL” (16009) during lightoff, the system will transition to cooldown (will not lightoff). If the fault is reported anytime after lightoff, it is treated as a warning fault only.

i) Liquid Fuel controller faults are cleared during the Prepare-to-Start state to allow auto restart to function correctly.

450019-001 Rev A (April 2003) Page 1 of 2 SB0054

This information is proprietary to Capstone Turbine Corporation. Neither this document nor the information contained herein shall be copied, disclosed to others, or used for any purposes other than the specific purpose for which this document was delivered. Capstone reserves the right to change or modify without notice, the design, the product specifications, and/or the contents of this document without incurring any obligation either with respect to equipment previously sold or in the process of construction.

April 2003

Capstone Technical Support

Model C30 HEV Software Version 2.07 Release Notes

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