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Introduction
This Special Instruction describes the troubleshooting of the Multi-Engine Optimizer (MEO). The MEO is an integrated system solution to optimize the operation and management of medium and high-speed engines. The system uses Caterpillar ® system integration expertise and proprietary engine performance maps for fuel efficiency, transient performance, and emissions.Do not perform any procedure in this Special Instruction until you have read the information and you understand the information.Important Safety Information
Do not perform any procedure in this Special Instruction until you have read this Special Instruction and you understand this information. Use only proper tools and observe all precautions that pertain to the use of those tools. Failure to follow these procedures can result in personal injury. The following procedures also should be observed.Work safely. Most accidents that involve product operation, maintenance, and repair are caused by failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs.A person must be alert to potential hazards. This person should also have the necessary training, skills, and tools to perform these functions properly.Safety precautions and warnings are provided in this instruction and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons. Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard.Therefore, the warnings in this publication and the warnings that are on the product are not all inclusive. Ensure that any tool, procedure, work method, or operating technique you use that is not recommended by Caterpillar is safe.Ensure that the product will not be damaged or the product will not be made unsafe by the operation, lubrication, maintenance, or repair procedures used.Ground the equipment. Improper grounding will result in electrical current paths that are uncontrolled and unreliable. Uncontrolled electrical circuit paths can result in damage to the equipment. Uncontrolled electrical circuit paths can also cause electrical activity that may degrade the electronics and communications. Ensure that all grounds are secure and free of corrosion.
Accidental engine starting can cause injury or death to personnel.To prevent accidental engine starting, turn the ignition switch to the OFF position and place a do not operate tag at the ignition switch location.
Do not operate or work on this machine unless you have read and understand the instructions and warnings in the Operation and Maintenance Manual. Failure to follow the instructions or heed the warnings could result in injury or death. Contact the Original Equipment Manufacturer (OEM) or representative for replacement manuals. Proper care is your responsibility.
MEO Troubleshooting Guide
Multi-Engine Optimizer (MEO) is an integrated system solution to optimize the operation and management of medium and high-speed engines.The system uses Caterpillar system integration expertise and Caterpillar proprietary engine performance maps for fuel efficiency, transient performance, and emissions.Alarm Descriptions
Note: There is no normal operational reason for opening the panel door.
Illustration 1 g06284953
Top and bottom covers
(1) Top Cover
(2) Bottom CoverTroubleshooting the Human Machine Interface DisplayIf the display screen is not illuminated perform the follow checks:
Check the Ethernet connections to the display. Refer to Illustration 3 for the correct Ethernet connections.
Check the power supply connections to the display. Refer to Illustration 4for the correct power supply connections.
Ensure that the displays power ON button on the front of the display is illuminated green. The power ON button should be illuminated green if the display is operating properly.
If everything is correct, and the display is still not illuminated, replace the display.
Illustration 2 g06294423
PLC Hardware Slot Numbers
Before troubleshooting Alarms 1-9 remove the top cover to expose the PLC controller. Refer to Illustration 1Refer to Illustration 2while troubleshooting hardware slots 0-9 for the hardware locations.Alarm "0"MEO Hardware Slot 0 1756-EN2T Hardware Fault.
Inspect the proper insertion of hardware. Refer to "Rockwell Automation Publication 1756-IN603C-EN-P-April 2010."
Replace the hardware.Alarm "1"MEO Hardware Slot 1 1756-EN2TR Hardware Fault.
Inspect the proper insertion of hardware. Refer to "Rockwell Automation Publication 1756-IN603C-EN-P-April 2010."
Replace the hardware.Alarm "2"MEO Hardware Slot 2MVI56E-MNETC Hardware Fault
Inspect the proper insertion of hardware. Refer to "Rockwell Automation Publication 1756-IN603C-EN-P-April 2010."
Replace the hardware.Alarm "3" MEO Hardware Slot 3 Spare Slot Hardware Fault.
Inspect the proper insertion of hardware. Refer to "Rockwell Automation Publication 1756-IN603C-EN-P-April 2010"
Replace the hardware.Alarm "4" MEO Hardware Slot 4 Spare Slot Hardware Fault.
Inspect the proper insertion of hardware. Refer to "Rockwell Automation Publication 1756-IN603C-EN-P-April 2010."
Replace the hardware.Alarm "5" MEO Hardware Slot 5 1756-L72 Hardware Fault.
Inspect the proper insertion of hardware. Refer to "Rockwell Automation Publication 1756-IN603C-EN-P-April 2010."
Update to the newest software available in SIS,
Replace the software.Alarm "6" MEO Hardware Slot 6 Optimizer Module Hardware Health.
Inspect the proper insertion of hardware. Refer to "Rockwell Automation Publication 1756-IN603C-EN-P-April 2010."
Replace the hardware.Alarm "7" MEO Hardware Slot 7, 1756-HIST2G Hardware Fault.
Inspect the proper insertion of hardware. Refer to "Rockwell Automation Publication 1756-IN603C-EN-P-April 2010."
Replace the hardware.Alarm "8" MEO Hardware Slot 8 1756-IB16I Hardware Fault.
Inspect the proper insertion of hardware. Refer to "Rockwell Automation Publication 1756-IN603C-EN-P-April 2010."
Replace the hardware.Alarm "9" MEO Hardware Slot 9 1756-OW16I Hardware Fault.
Inspect the proper insertion of hardware. Refer to "Rockwell Automation Publication 1756-IN603C-EN-P-April 2010."
Replace the hardware.Alarm "10" DEIF Network Not Communicating.
Illustration 3 g06306852
Ethernet Connections
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